./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_11-ptr_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_11-ptr_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 265daba2b5ad7b4578f16c23ab641f7a5441c3a3894a2482737cba7b750ee6df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:33:01,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:33:01,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:33:01,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:33:01,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:33:01,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:33:01,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:33:01,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:33:01,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:33:01,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:33:01,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:33:01,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:33:01,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:33:01,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:33:01,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:33:01,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:33:01,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:33:01,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:33:01,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:33:01,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:33:01,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:33:01,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:33:01,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:33:01,904 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:33:01,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:33:01,905 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:33:01,905 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:33:01,905 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_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265daba2b5ad7b4578f16c23ab641f7a5441c3a3894a2482737cba7b750ee6df [2024-11-13 12:33:02,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:33:02,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:33:02,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:33:02,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:33:02,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:33:02,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/goblint-regression/28-race_reach_11-ptr_racing.i Unable to find full path for "g++" [2024-11-13 12:33:04,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:33:04,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:33:04,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/sv-benchmarks/c/goblint-regression/28-race_reach_11-ptr_racing.i [2024-11-13 12:33:04,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/data/efaa46a48/3afef74507e9489a89f21fbfd4c5cf2c/FLAG372cae05b [2024-11-13 12:33:04,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/data/efaa46a48/3afef74507e9489a89f21fbfd4c5cf2c [2024-11-13 12:33:04,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:33:04,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:33:04,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:33:04,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:33:04,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:33:04,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:33:04" (1/1) ... [2024-11-13 12:33:04,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fc82d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:04, skipping insertion in model container [2024-11-13 12:33:04,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:33:04" (1/1) ... [2024-11-13 12:33:04,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:33:05,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:33:05,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:33:05,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:33:05,268 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:33:05,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05 WrapperNode [2024-11-13 12:33:05,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:33:05,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:33:05,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:33:05,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:33:05,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,329 INFO L138 Inliner]: procedures = 174, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 12:33:05,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:33:05,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:33:05,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:33:05,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:33:05,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:33:05,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:33:05,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:33:05,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:33:05,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (1/1) ... [2024-11-13 12:33:05,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:33:05,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:05,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:33:05,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:33:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:33:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:33:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 12:33:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:33:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:33:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 12:33:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 12:33:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:33:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:33:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:33:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 12:33:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:33:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:33:05,460 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:33:05,644 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:33:05,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:33:06,084 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:33:06,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:33:06,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:33:06,433 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 12:33:06,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:33:06 BoogieIcfgContainer [2024-11-13 12:33:06,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:33:06,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:33:06,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:33:06,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:33:06,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:33:04" (1/3) ... [2024-11-13 12:33:06,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5492d09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:33:06, skipping insertion in model container [2024-11-13 12:33:06,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:33:05" (2/3) ... [2024-11-13 12:33:06,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5492d09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:33:06, skipping insertion in model container [2024-11-13 12:33:06,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:33:06" (3/3) ... [2024-11-13 12:33:06,448 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_11-ptr_racing.i [2024-11-13 12:33:06,468 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:33:06,472 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_11-ptr_racing.i that has 2 procedures, 51 locations, 1 initial locations, 6 loop locations, and 8 error locations. [2024-11-13 12:33:06,472 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:33:06,536 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 12:33:06,595 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:33:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:06,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:33:06,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:33:06,635 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:33:06,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-13 12:33:06,657 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:06,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 12:33:06,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:06,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 726980965, now seen corresponding path program 1 times [2024-11-13 12:33:06,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:06,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590119778] [2024-11-13 12:33:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:07,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:07,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590119778] [2024-11-13 12:33:07,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590119778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:07,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:07,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:33:07,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858798366] [2024-11-13 12:33:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:07,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:33:07,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:07,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:33:07,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:33:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:07,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:07,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:33:07,174 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:07,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:07,175 INFO L85 PathProgramCache]: Analyzing trace with hash -807832014, now seen corresponding path program 1 times [2024-11-13 12:33:07,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:07,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259043491] [2024-11-13 12:33:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:07,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:07,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:07,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259043491] [2024-11-13 12:33:07,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259043491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:07,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:07,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:07,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434203057] [2024-11-13 12:33:07,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:07,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:07,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:07,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:07,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 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) [2024-11-13 12:33:07,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:07,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:33:07,590 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:07,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 499758339, now seen corresponding path program 1 times [2024-11-13 12:33:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:07,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098742028] [2024-11-13 12:33:07,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:08,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:08,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098742028] [2024-11-13 12:33:08,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098742028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:08,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773458463] [2024-11-13 12:33:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:08,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:08,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:08,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:33:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:08,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:33:08,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:08,355 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:08,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:08,461 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-13 12:33:08,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-11-13 12:33:08,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:08,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:08,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:08,839 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_62 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_62) c_t_funThread1of1ForFork0_~p~0.base) c_t_funThread1of1ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:33:08,891 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_62 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_62) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483650))) is different from false [2024-11-13 12:33:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-13 12:33:08,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773458463] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:08,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:08,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 13 [2024-11-13 12:33:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430053233] [2024-11-13 12:33:08,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:08,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 12:33:08,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:08,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 12:33:08,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=125, Unknown=2, NotChecked=46, Total=210 [2024-11-13 12:33:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:08,910 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:08,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:08,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:08,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:08,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:09,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:33:09,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:09,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:09,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:09,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1396452759, now seen corresponding path program 1 times [2024-11-13 12:33:09,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:09,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419702254] [2024-11-13 12:33:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:09,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:10,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:10,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419702254] [2024-11-13 12:33:10,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419702254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:10,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936989490] [2024-11-13 12:33:10,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:10,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:10,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:33:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:10,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 12:33:10,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:10,366 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:10,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:10,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:10,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:10,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:33:10,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:10,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:10,883 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_120 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_120) c_t_funThread1of1ForFork0_~p~0.base) c_t_funThread1of1ForFork0_~p~0.offset) 2147483649))) is different from false [2024-11-13 12:33:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-13 12:33:10,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936989490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:10,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:10,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 17 [2024-11-13 12:33:10,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714632722] [2024-11-13 12:33:10,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:10,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:33:10,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:33:10,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=248, Unknown=2, NotChecked=32, Total=342 [2024-11-13 12:33:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:10,978 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:10,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:11,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 12:33:11,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:11,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:11,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:11,551 INFO L85 PathProgramCache]: Analyzing trace with hash -340362128, now seen corresponding path program 1 times [2024-11-13 12:33:11,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:11,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123148203] [2024-11-13 12:33:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:33:11,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:11,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123148203] [2024-11-13 12:33:11,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123148203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:11,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:11,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:11,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946451598] [2024-11-13 12:33:11,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:11,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:11,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:11,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:11,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:11,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:33:12,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:33:12,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:12,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1844301680, now seen corresponding path program 2 times [2024-11-13 12:33:12,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:12,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411920727] [2024-11-13 12:33:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:12,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:13,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:13,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411920727] [2024-11-13 12:33:13,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411920727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:13,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160486795] [2024-11-13 12:33:13,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:33:13,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:13,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:13,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:13,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:33:13,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:33:13,687 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:33:13,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:33:13,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:13,704 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:13,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:13,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:13,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:13,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:13,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:13,961 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_209 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_209) c_t_funThread1of1ForFork0_~p~0.base) c_t_funThread1of1ForFork0_~p~0.offset) 2147483649)) is different from false [2024-11-13 12:33:13,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:13,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2024-11-13 12:33:13,981 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 29 treesize of output 21 [2024-11-13 12:33:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-13 12:33:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160486795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:14,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:14,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 17 [2024-11-13 12:33:14,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134375868] [2024-11-13 12:33:14,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:14,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:33:14,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:14,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:33:14,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=261, Unknown=1, NotChecked=32, Total=342 [2024-11-13 12:33:14,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:14,050 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:14,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:14,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:14,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:14,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:14,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:14,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:33:14,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:33:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:15,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-13 12:33:15,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-13 12:33:15,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-13 12:33:15,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-13 12:33:15,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:33:15,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:33:15,532 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-13 12:33:15,534 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2024-11-13 12:33:15,538 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:15,539 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:33:15,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:33:15,540 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:15,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 12:33:15,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:15,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -100766389, now seen corresponding path program 1 times [2024-11-13 12:33:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115849506] [2024-11-13 12:33:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:15,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:15,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:15,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115849506] [2024-11-13 12:33:15,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115849506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:15,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:15,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:33:15,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133527799] [2024-11-13 12:33:15,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:15,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:15,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:15,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:15,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:15,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,655 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:15,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:15,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:15,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:33:15,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:15,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -807479187, now seen corresponding path program 1 times [2024-11-13 12:33:15,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:15,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056259792] [2024-11-13 12:33:15,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:33:15,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:33:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:33:15,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:33:15,776 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:33:15,777 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-11-13 12:33:15,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-13 12:33:15,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-13 12:33:15,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-13 12:33:15,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-13 12:33:15,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:33:15,781 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 12:33:15,781 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-11-13 12:33:15,784 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 12:33:15,785 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 12:33:15,806 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 12:33:15,810 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:15,812 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:33:15,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-13 12:33:15,813 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:15,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 12:33:15,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1485502839, now seen corresponding path program 1 times [2024-11-13 12:33:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114028936] [2024-11-13 12:33:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:15,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:15,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114028936] [2024-11-13 12:33:15,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114028936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:15,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:15,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:33:15,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242029621] [2024-11-13 12:33:15,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:15,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:33:15,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:15,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:33:15,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:33:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:15,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:15,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:33:15,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:15,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash 602109747, now seen corresponding path program 1 times [2024-11-13 12:33:15,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:15,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832338434] [2024-11-13 12:33:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:15,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:15,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832338434] [2024-11-13 12:33:15,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832338434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:15,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:15,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:15,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511052015] [2024-11-13 12:33:15,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:15,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:15,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:15,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:15,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,992 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:15,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 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) [2024-11-13 12:33:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:16,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:33:16,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:16,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1563495367, now seen corresponding path program 1 times [2024-11-13 12:33:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:16,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153453410] [2024-11-13 12:33:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:16,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:16,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153453410] [2024-11-13 12:33:16,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153453410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:16,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:16,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:16,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517148244] [2024-11-13 12:33:16,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:16,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:33:16,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:16,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:33:16,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:33:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,177 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:16,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:16,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:16,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:16,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:33:16,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:16,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash -688534488, now seen corresponding path program 1 times [2024-11-13 12:33:16,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:16,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631941428] [2024-11-13 12:33:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:16,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:16,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631941428] [2024-11-13 12:33:16,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631941428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:16,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563226386] [2024-11-13 12:33:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:16,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:16,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:16,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:16,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:33:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:16,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:33:16,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:16,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:33:16,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563226386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:16,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:33:16,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 12:33:16,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447466723] [2024-11-13 12:33:16,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:16,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:33:16,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:16,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:33:16,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:33:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:16,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:16,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:33:17,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 12:33:17,052 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:17,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:17,053 INFO L85 PathProgramCache]: Analyzing trace with hash 130502359, now seen corresponding path program 1 times [2024-11-13 12:33:17,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:17,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190958172] [2024-11-13 12:33:17,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:17,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:33:17,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:17,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190958172] [2024-11-13 12:33:17,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190958172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:17,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:33:17,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722111991] [2024-11-13 12:33:17,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:17,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:17,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:17,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:17,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,105 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:17,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) 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) [2024-11-13 12:33:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:17,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:33:17,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:17,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:17,174 INFO L85 PathProgramCache]: Analyzing trace with hash 130532150, now seen corresponding path program 1 times [2024-11-13 12:33:17,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568500984] [2024-11-13 12:33:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:17,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:17,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568500984] [2024-11-13 12:33:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568500984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:17,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387902085] [2024-11-13 12:33:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:17,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:33:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:17,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:33:17,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:17,536 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:17,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:17,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:17,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:17,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:17,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:17,891 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_371 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_371) c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset) 2147483650))) is different from false [2024-11-13 12:33:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-13 12:33:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387902085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:17,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:17,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 14 [2024-11-13 12:33:17,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913236762] [2024-11-13 12:33:17,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:17,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:33:17,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:17,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:33:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=167, Unknown=1, NotChecked=26, Total=240 [2024-11-13 12:33:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,961 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:17,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:18,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:33:19,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 12:33:19,126 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:19,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 235620763, now seen corresponding path program 1 times [2024-11-13 12:33:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886843293] [2024-11-13 12:33:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:33:19,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:19,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886843293] [2024-11-13 12:33:19,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886843293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:19,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:19,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930478101] [2024-11-13 12:33:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:19,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:19,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:19,335 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:19,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:19,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 12:33:19,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:19,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:19,763 INFO L85 PathProgramCache]: Analyzing trace with hash -447214340, now seen corresponding path program 1 times [2024-11-13 12:33:19,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:19,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836128522] [2024-11-13 12:33:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:20,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836128522] [2024-11-13 12:33:20,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836128522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:20,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604525528] [2024-11-13 12:33:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:20,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:20,178 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:33:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:20,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 12:33:20,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:20,346 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-13 12:33:20,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 14 [2024-11-13 12:33:20,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:20,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:20,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:33:20,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:20,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:33:20,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:20,772 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_479 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_479) c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset) 2147483648))) is different from false [2024-11-13 12:33:20,789 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_479 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset (+ |c_t_funThread1of2ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_479) c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset) 2147483648))) is different from false [2024-11-13 12:33:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2024-11-13 12:33:21,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604525528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:21,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:21,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 20 [2024-11-13 12:33:21,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654775318] [2024-11-13 12:33:21,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:21,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 12:33:21,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:21,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 12:33:21,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=312, Unknown=3, NotChecked=74, Total=462 [2024-11-13 12:33:21,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:21,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:21,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 21 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:21,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:21,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:21,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:21,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:21,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:21,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:33:22,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:33:22,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:22,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:22,090 INFO L85 PathProgramCache]: Analyzing trace with hash -978741968, now seen corresponding path program 1 times [2024-11-13 12:33:22,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:22,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652295769] [2024-11-13 12:33:22,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:22,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:22,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:22,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652295769] [2024-11-13 12:33:22,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652295769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:22,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452964034] [2024-11-13 12:33:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:22,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:22,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:33:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:23,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:33:23,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:23,070 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:23,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:23,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:23,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:23,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:33:23,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:23,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:23,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:33:23,441 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 29 treesize of output 21 [2024-11-13 12:33:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:33:23,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452964034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:23,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:23,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 21 [2024-11-13 12:33:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343016559] [2024-11-13 12:33:23,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:23,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:33:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:33:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=439, Unknown=3, NotChecked=0, Total=506 [2024-11-13 12:33:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:23,527 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:23,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:23,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:23,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:23,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:23,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:23,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:33:27,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:33:27,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:33:27,413 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:27,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:27,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1579310870, now seen corresponding path program 1 times [2024-11-13 12:33:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:27,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952138823] [2024-11-13 12:33:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:33:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952138823] [2024-11-13 12:33:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952138823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:27,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:27,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:27,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443113779] [2024-11-13 12:33:27,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:27,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:33:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:27,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:33:27,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:33:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:27,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:27,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 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) [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:27,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:33:27,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:33:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:28,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 12:33:28,438 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:28,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:28,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1387730662, now seen corresponding path program 1 times [2024-11-13 12:33:28,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:28,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364677919] [2024-11-13 12:33:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:28,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:28,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:28,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364677919] [2024-11-13 12:33:28,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364677919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:28,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258706828] [2024-11-13 12:33:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:28,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:28,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:28,572 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:28,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:33:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:28,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:33:28,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:28,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:28,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258706828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:28,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:28,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-13 12:33:28,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53176335] [2024-11-13 12:33:28,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:28,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 12:33:28,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:28,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 12:33:28,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:33:28,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:28,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:28,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:28,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:30,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 12:33:30,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:30,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:30,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:30,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1156342901, now seen corresponding path program 1 times [2024-11-13 12:33:30,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:30,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669005027] [2024-11-13 12:33:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:30,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:30,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:30,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669005027] [2024-11-13 12:33:30,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669005027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:30,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946573176] [2024-11-13 12:33:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:30,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:30,537 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:33:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:30,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 12:33:30,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:30,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:31,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:33:31,102 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 17 treesize of output 9 [2024-11-13 12:33:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:31,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:31,261 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 32 treesize of output 28 [2024-11-13 12:33:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:31,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946573176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:31,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:31,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2024-11-13 12:33:31,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61274464] [2024-11-13 12:33:31,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:31,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:33:31,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:31,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:33:31,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:33:31,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:31,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:31,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.666666666666667) internal successors, (102), 19 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:31,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:31,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:31,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:31,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:32,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:33:32,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:32,932 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:32,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1486890881, now seen corresponding path program 1 times [2024-11-13 12:33:32,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:32,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251049117] [2024-11-13 12:33:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:32,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251049117] [2024-11-13 12:33:33,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251049117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120492706] [2024-11-13 12:33:33,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:33,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:33,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:33,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:33,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:33:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:33,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 12:33:33,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:33,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:33,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:33:33,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:33,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:34,006 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 28 treesize of output 24 [2024-11-13 12:33:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:34,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120492706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:34,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:34,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-13 12:33:34,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056756832] [2024-11-13 12:33:34,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:34,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:33:34,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:34,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:33:34,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:33:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:34,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:34,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.0) internal successors, (90), 16 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) [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:34,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:33:34,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:34,952 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:34,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:34,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1672391500, now seen corresponding path program 1 times [2024-11-13 12:33:34,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:34,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692673031] [2024-11-13 12:33:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:35,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:35,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692673031] [2024-11-13 12:33:35,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692673031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:35,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564439317] [2024-11-13 12:33:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:35,278 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:35,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:33:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:35,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:33:35,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:35,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:35,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:33:35,838 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 17 treesize of output 9 [2024-11-13 12:33:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:35,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:35,912 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 32 treesize of output 28 [2024-11-13 12:33:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:36,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564439317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:36,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:36,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-13 12:33:36,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488162577] [2024-11-13 12:33:36,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:36,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:33:36,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:36,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:33:36,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:33:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:36,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:36,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:36,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:33:36,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:36,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 12:33:37,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:37,017 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:37,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:37,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1912152833, now seen corresponding path program 2 times [2024-11-13 12:33:37,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:37,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429407279] [2024-11-13 12:33:37,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:37,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:37,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:37,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429407279] [2024-11-13 12:33:37,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429407279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:37,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926435341] [2024-11-13 12:33:37,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:33:37,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:37,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:37,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:37,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:33:38,017 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:33:38,017 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:33:38,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 12:33:38,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:38,033 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:38,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:38,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:38,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:38,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:33:38,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:38,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:38,953 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-11-13 12:33:38,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 104 [2024-11-13 12:33:38,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:38,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 146 [2024-11-13 12:33:38,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:38,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 125 [2024-11-13 12:33:39,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:33:39,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:39,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2024-11-13 12:33:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:39,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926435341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:39,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:39,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 26 [2024-11-13 12:33:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613561879] [2024-11-13 12:33:39,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:39,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 12:33:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 12:33:39,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=666, Unknown=9, NotChecked=0, Total=756 [2024-11-13 12:33:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:39,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:39,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.111111111111111) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:39,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:39,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:33:41,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:33:41,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:41,851 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:41,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:41,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1209974213, now seen corresponding path program 2 times [2024-11-13 12:33:41,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:41,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280087321] [2024-11-13 12:33:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:41,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:43,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:43,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280087321] [2024-11-13 12:33:43,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280087321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:43,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677706688] [2024-11-13 12:33:43,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:33:43,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:43,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:43,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:33:43,208 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:33:43,208 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:33:43,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 12:33:43,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:43,231 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:43,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:43,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:43,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:33:43,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:33:43,801 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 17 treesize of output 9 [2024-11-13 12:33:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:43,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:43,945 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1207 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store (store |c_#memory_int| c_t_funThread2of2ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread2of2ForFork0_~p~0.base) c_t_funThread2of2ForFork0_~p~0.offset (+ (- 1) |c_t_funThread2of2ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1207) c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:33:44,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:44,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-13 12:33:44,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:44,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-11-13 12:33:44,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:33:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:44,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677706688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:44,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 31 [2024-11-13 12:33:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322686387] [2024-11-13 12:33:44,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:44,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-13 12:33:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:44,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-13 12:33:44,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=885, Unknown=9, NotChecked=60, Total=1056 [2024-11-13 12:33:44,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:44,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:44,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.8125) internal successors, (122), 32 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:33:44,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:33:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:33:46,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 12:33:47,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 12:33:47,085 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:33:47,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash -840950470, now seen corresponding path program 2 times [2024-11-13 12:33:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:47,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949924752] [2024-11-13 12:33:47,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:47,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:48,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:48,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949924752] [2024-11-13 12:33:48,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949924752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:48,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042153662] [2024-11-13 12:33:48,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:33:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:48,444 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:48,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:33:48,642 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:33:48,642 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:33:48,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 12:33:48,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:48,662 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:48,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:49,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:33:49,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:33:49,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:33:49,312 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 17 treesize of output 9 [2024-11-13 12:33:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:49,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:49,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:49,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-13 12:33:49,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:33:49,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2024-11-13 12:33:49,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:33:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:49,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042153662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:49,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:49,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 29 [2024-11-13 12:33:49,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703331040] [2024-11-13 12:33:49,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:49,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 12:33:49,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:49,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 12:33:49,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=839, Unknown=7, NotChecked=0, Total=930 [2024-11-13 12:33:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:49,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:49,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 4.1) internal successors, (123), 30 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:49,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:49,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:49,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:33:49,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:33:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:33:52,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-13 12:33:52,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-13 12:33:52,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-13 12:33:52,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-13 12:33:52,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 12:33:52,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 12:33:52,621 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:33:52,621 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-13 12:33:52,623 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:52,624 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:33:52,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:33:52,625 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:52,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 12:33:52,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:52,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1398238708, now seen corresponding path program 1 times [2024-11-13 12:33:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902034290] [2024-11-13 12:33:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:52,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:52,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902034290] [2024-11-13 12:33:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902034290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:52,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:52,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:33:52,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496658864] [2024-11-13 12:33:52,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:52,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:52,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:52,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:52,705 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:52,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:52,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:52,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:52,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 12:33:52,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:52,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1920107996, now seen corresponding path program 1 times [2024-11-13 12:33:52,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:52,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739548137] [2024-11-13 12:33:52,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:52,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:52,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739548137] [2024-11-13 12:33:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739548137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:52,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428372733] [2024-11-13 12:33:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:52,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:33:52,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:33:52,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:33:52,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:52,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:52,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:52,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:52,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:53,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 12:33:53,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:53,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash -704149221, now seen corresponding path program 1 times [2024-11-13 12:33:53,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:53,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441518671] [2024-11-13 12:33:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:53,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441518671] [2024-11-13 12:33:53,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441518671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200443137] [2024-11-13 12:33:53,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:53,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:53,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:53,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 12:33:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:53,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:33:53,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:53,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:33:53,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200443137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:53,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:33:53,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 12:33:53,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241191637] [2024-11-13 12:33:53,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:53,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:33:53,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:53,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:33:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:33:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:53,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:53,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:53,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:53,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 12:33:53,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 12:33:53,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:53,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash -353788724, now seen corresponding path program 1 times [2024-11-13 12:33:53,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075404827] [2024-11-13 12:33:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:33:53,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:53,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075404827] [2024-11-13 12:33:53,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075404827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:53,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:53,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:53,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258575055] [2024-11-13 12:33:53,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:53,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:53,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:53,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:53,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:53,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:53,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:53,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:53,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:53,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:53,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:53,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 12:33:53,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:53,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:53,698 INFO L85 PathProgramCache]: Analyzing trace with hash 887363395, now seen corresponding path program 1 times [2024-11-13 12:33:53,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:53,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003093873] [2024-11-13 12:33:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:53,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:53,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003093873] [2024-11-13 12:33:53,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003093873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:53,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222740679] [2024-11-13 12:33:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:53,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:53,868 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 12:33:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:54,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:33:54,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:54,073 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:54,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:54,116 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-13 12:33:54,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-11-13 12:33:54,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:54,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:54,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:54,350 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1452 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1452) c_t_funThread1of2ForFork0_~p~0.base) c_t_funThread1of2ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:33:54,367 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1452 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1452) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483650))) is different from false [2024-11-13 12:33:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-13 12:33:54,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222740679] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:54,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:54,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 15 [2024-11-13 12:33:54,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093903956] [2024-11-13 12:33:54,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:54,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:33:54,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:54,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:33:54,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=146, Unknown=2, NotChecked=50, Total=240 [2024-11-13 12:33:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:54,375 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:54,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.6875) internal successors, (59), 15 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:55,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 12:33:55,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:55,360 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:55,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:55,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1120481046, now seen corresponding path program 1 times [2024-11-13 12:33:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:55,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450253668] [2024-11-13 12:33:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:33:55,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:55,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450253668] [2024-11-13 12:33:55,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450253668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:55,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:55,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:33:55,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930869705] [2024-11-13 12:33:55,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:55,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:33:55,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:55,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:33:55,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:33:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:55,480 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:55,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:55,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 12:33:55,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:55,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash 284864809, now seen corresponding path program 1 times [2024-11-13 12:33:55,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:55,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76348174] [2024-11-13 12:33:55,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:33:55,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:33:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:33:55,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:33:55,802 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:33:55,803 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-11-13 12:33:55,803 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-13 12:33:55,803 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-13 12:33:55,803 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-13 12:33:55,803 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-13 12:33:55,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 12:33:55,808 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:33:55,809 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-11-13 12:33:55,809 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 12:33:55,809 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 12:33:55,841 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 12:33:55,844 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:55,848 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:33:55,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:33:55,849 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:33:55,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 12:33:55,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:55,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash -158513461, now seen corresponding path program 1 times [2024-11-13 12:33:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:55,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926484060] [2024-11-13 12:33:55,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:55,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926484060] [2024-11-13 12:33:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926484060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:55,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:55,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:33:55,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895486402] [2024-11-13 12:33:55,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:55,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:55,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:55,947 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:55,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:55,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:56,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 12:33:56,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:56,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1754123778, now seen corresponding path program 1 times [2024-11-13 12:33:56,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:56,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036215280] [2024-11-13 12:33:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:56,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:56,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036215280] [2024-11-13 12:33:56,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036215280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:56,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:56,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:56,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384622912] [2024-11-13 12:33:56,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:56,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:33:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:56,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:33:56,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:33:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:56,067 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:56,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:56,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:56,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 12:33:56,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:56,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:56,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2121079167, now seen corresponding path program 1 times [2024-11-13 12:33:56,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:56,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642362948] [2024-11-13 12:33:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:56,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:56,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642362948] [2024-11-13 12:33:56,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642362948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:56,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702836302] [2024-11-13 12:33:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:56,480 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:56,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 12:33:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:56,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:33:56,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:33:56,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:33:56,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702836302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:56,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:33:56,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 12:33:56,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211017848] [2024-11-13 12:33:56,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:56,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:33:56,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:56,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:33:56,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:33:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:56,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:56,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:56,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:56,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:56,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:56,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-13 12:33:57,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 12:33:57,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:57,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:57,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1328943641, now seen corresponding path program 1 times [2024-11-13 12:33:57,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:57,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583335542] [2024-11-13 12:33:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:33:57,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:57,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583335542] [2024-11-13 12:33:57,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583335542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:57,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:57,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:57,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219608265] [2024-11-13 12:33:57,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:57,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:57,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:57,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:57,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:57,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:57,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:57,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:57,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:57,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 12:33:57,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:57,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1063302093, now seen corresponding path program 1 times [2024-11-13 12:33:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:57,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242229741] [2024-11-13 12:33:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:33:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242229741] [2024-11-13 12:33:57,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242229741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:33:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240902484] [2024-11-13 12:33:57,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:33:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:33:57,346 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:33:57,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 12:33:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:57,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:33:57,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:33:57,568 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:33:57,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:33:57,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:57,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:33:57,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:33:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:33:57,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:33:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:33:57,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240902484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:33:57,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:33:57,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-13 12:33:57,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308539536] [2024-11-13 12:33:57,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:33:57,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 12:33:57,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:57,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 12:33:57,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=135, Unknown=9, NotChecked=0, Total=182 [2024-11-13 12:33:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:57,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:57,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:59,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:59,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 12:33:59,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 12:33:59,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:59,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:59,256 INFO L85 PathProgramCache]: Analyzing trace with hash -140325837, now seen corresponding path program 1 times [2024-11-13 12:33:59,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:59,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107948995] [2024-11-13 12:33:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:33:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:33:59,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:33:59,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107948995] [2024-11-13 12:33:59,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107948995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:33:59,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:33:59,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:33:59,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749332748] [2024-11-13 12:33:59,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:33:59,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:33:59,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:33:59,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:33:59,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:33:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:59,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:33:59,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:33:59,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:59,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:59,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:59,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:33:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:33:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:33:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:33:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:33:59,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 12:33:59,976 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:33:59,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:33:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash 805786883, now seen corresponding path program 1 times [2024-11-13 12:33:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:33:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762662120] [2024-11-13 12:33:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:33:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:33:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:00,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:00,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762662120] [2024-11-13 12:34:00,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762662120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:00,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855514290] [2024-11-13 12:34:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:00,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:00,320 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 12:34:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:00,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 12:34:00,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:00,547 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:00,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:00,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:00,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:00,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:00,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:00,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:34:00,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:00,840 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1782 (Array Int Int))) (< 0 (+ 2147483648 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1782) c_t_funThread1of3ForFork0_~p~0.base) c_t_funThread1of3ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:34:00,850 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1782 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| c_t_funThread1of3ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread1of3ForFork0_~p~0.base) c_t_funThread1of3ForFork0_~p~0.offset (+ |c_t_funThread1of3ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1782) c_t_funThread1of3ForFork0_~p~0.base) c_t_funThread1of3ForFork0_~p~0.offset) 2147483648))) is different from false [2024-11-13 12:34:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-13 12:34:01,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855514290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:01,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:01,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 20 [2024-11-13 12:34:01,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408168735] [2024-11-13 12:34:01,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:01,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 12:34:01,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:01,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 12:34:01,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=274, Unknown=3, NotChecked=70, Total=420 [2024-11-13 12:34:01,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:01,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:01,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:34:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 12:34:02,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 12:34:02,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:34:02,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash -790258848, now seen corresponding path program 1 times [2024-11-13 12:34:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444585327] [2024-11-13 12:34:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:02,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444585327] [2024-11-13 12:34:02,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444585327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163916328] [2024-11-13 12:34:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:02,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:02,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:02,745 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:02,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 12:34:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:02,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:34:02,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:02,957 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:02,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:03,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:03,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:03,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:34:03,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:03,255 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1864 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1864) c_t_funThread1of3ForFork0_~p~0.base) c_t_funThread1of3ForFork0_~p~0.offset) 2147483649)) is different from false [2024-11-13 12:34:03,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:03,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:34:03,277 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 29 treesize of output 21 [2024-11-13 12:34:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2024-11-13 12:34:03,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163916328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:03,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:03,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 22 [2024-11-13 12:34:03,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106742619] [2024-11-13 12:34:03,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:03,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:34:03,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:34:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=403, Unknown=1, NotChecked=40, Total=506 [2024-11-13 12:34:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:03,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:03,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.043478260869565) internal successors, (93), 22 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:34:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:34:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:34:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:34:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 12:34:04,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-13 12:34:04,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 12:34:04,784 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2024-11-13 12:34:04,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:04,785 INFO L85 PathProgramCache]: Analyzing trace with hash -462643658, now seen corresponding path program 1 times [2024-11-13 12:34:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:04,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854723386] [2024-11-13 12:34:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:04,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:34:04,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:34:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:34:04,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:34:04,880 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:34:04,881 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-11-13 12:34:04,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2024-11-13 12:34:04,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2024-11-13 12:34:04,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2024-11-13 12:34:04,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2024-11-13 12:34:04,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 12:34:04,886 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:34:04,886 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2024-11-13 12:34:04,888 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 12:34:04,888 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-13 12:34:04,929 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 12:34:04,933 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:34:04,935 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:34:04,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2024-11-13 12:34:04,936 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;@245e1b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:34:04,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 12:34:05,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:05,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash 855732033, now seen corresponding path program 1 times [2024-11-13 12:34:05,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:05,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994630527] [2024-11-13 12:34:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 12:34:05,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:05,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994630527] [2024-11-13 12:34:05,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994630527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:05,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:34:05,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:34:05,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437129880] [2024-11-13 12:34:05,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:05,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:34:05,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:34:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:34:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:05,112 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:05,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 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) [2024-11-13 12:34:05,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:05,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:05,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 12:34:05,236 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:05,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1081324976, now seen corresponding path program 1 times [2024-11-13 12:34:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:05,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118373484] [2024-11-13 12:34:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:05,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:05,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118373484] [2024-11-13 12:34:05,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118373484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:05,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:34:05,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:34:05,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208389678] [2024-11-13 12:34:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:05,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:34:05,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:34:05,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:34:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:05,323 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:05,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:05,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:06,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:06,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 12:34:06,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:06,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1950793469, now seen corresponding path program 1 times [2024-11-13 12:34:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:06,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077798025] [2024-11-13 12:34:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:06,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 12:34:06,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:06,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077798025] [2024-11-13 12:34:06,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077798025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:06,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:34:06,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:34:06,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303647674] [2024-11-13 12:34:06,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:06,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:34:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:06,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:34:06,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:34:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:06,672 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:06,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 12:34:08,058 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:08,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash 29288378, now seen corresponding path program 1 times [2024-11-13 12:34:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660522630] [2024-11-13 12:34:08,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:08,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:08,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660522630] [2024-11-13 12:34:08,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660522630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219596110] [2024-11-13 12:34:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:08,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:08,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:08,295 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:08,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 12:34:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:08,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:34:08,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:08,719 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:34:08,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219596110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:08,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:34:08,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 15 [2024-11-13 12:34:08,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864193732] [2024-11-13 12:34:08,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:08,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:34:08,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:08,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:34:08,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:34:08,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,721 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:08,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:08,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:08,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 12:34:09,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-13 12:34:09,159 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:09,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:09,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1197570928, now seen corresponding path program 1 times [2024-11-13 12:34:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:09,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729455162] [2024-11-13 12:34:09,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 12:34:09,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:09,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729455162] [2024-11-13 12:34:09,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729455162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:09,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:34:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:34:09,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132549773] [2024-11-13 12:34:09,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:09,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:34:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:09,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:34:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:34:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:09,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:09,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:09,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:09,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:09,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:09,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:09,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:09,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 12:34:09,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:09,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:09,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1904353916, now seen corresponding path program 1 times [2024-11-13 12:34:09,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:09,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40346948] [2024-11-13 12:34:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:10,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:10,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40346948] [2024-11-13 12:34:10,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40346948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:10,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333636575] [2024-11-13 12:34:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:10,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:10,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:10,007 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:10,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 12:34:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:10,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 12:34:10,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:10,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:34:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:34:10,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:34:10,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:34:10,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:34:10,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333636575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:10,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:34:10,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2024-11-13 12:34:10,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297653937] [2024-11-13 12:34:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:10,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:34:10,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:34:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:34:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:10,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:10,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:10,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:10,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 12:34:11,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-13 12:34:11,041 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:11,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:11,041 INFO L85 PathProgramCache]: Analyzing trace with hash 554821708, now seen corresponding path program 2 times [2024-11-13 12:34:11,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674471360] [2024-11-13 12:34:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:11,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:11,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674471360] [2024-11-13 12:34:11,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674471360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:11,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217637453] [2024-11-13 12:34:11,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:34:11,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:11,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:11,265 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:11,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 12:34:11,741 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:34:11,741 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:34:11,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 12:34:11,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:12,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:12,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:12,351 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 17 treesize of output 9 [2024-11-13 12:34:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:12,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:12,484 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 32 treesize of output 28 [2024-11-13 12:34:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:12,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217637453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:12,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:12,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2024-11-13 12:34:12,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472045257] [2024-11-13 12:34:12,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:12,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:34:12,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:12,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:34:12,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:34:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:12,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:12,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 10.88888888888889) internal successors, (196), 19 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:12,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:14,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:14,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-13 12:34:14,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-13 12:34:14,383 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:14,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:14,383 INFO L85 PathProgramCache]: Analyzing trace with hash 19605257, now seen corresponding path program 1 times [2024-11-13 12:34:14,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:14,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138745959] [2024-11-13 12:34:14,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:14,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:34:14,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:14,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138745959] [2024-11-13 12:34:14,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138745959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:14,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282454615] [2024-11-13 12:34:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:14,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:14,981 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:14,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 12:34:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:15,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 12:34:15,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:15,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:15,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:15,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:15,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:15,951 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 28 treesize of output 24 [2024-11-13 12:34:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:34:16,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282454615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:16,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:16,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 22 [2024-11-13 12:34:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66351821] [2024-11-13 12:34:16,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:16,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:34:16,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:16,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:34:16,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2024-11-13 12:34:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:16,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:16,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.136363636363637) internal successors, (245), 23 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:17,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 12:34:17,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-13 12:34:17,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:17,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:17,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1913764830, now seen corresponding path program 1 times [2024-11-13 12:34:17,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:17,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525326669] [2024-11-13 12:34:17,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:17,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:34:18,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:18,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525326669] [2024-11-13 12:34:18,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525326669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:18,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701815415] [2024-11-13 12:34:18,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:18,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:18,128 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:18,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 12:34:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:18,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 12:34:18,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:18,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:19,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:19,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:19,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:19,375 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 17 treesize of output 9 [2024-11-13 12:34:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:34:19,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:19,711 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 32 treesize of output 28 [2024-11-13 12:34:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:19,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701815415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:19,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:19,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 30 [2024-11-13 12:34:19,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613586140] [2024-11-13 12:34:19,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:19,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 12:34:19,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:19,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 12:34:19,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2024-11-13 12:34:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:19,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:19,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.3) internal successors, (249), 31 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:19,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:19,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:19,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:34:21,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 12:34:21,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-13 12:34:21,230 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:21,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:21,230 INFO L85 PathProgramCache]: Analyzing trace with hash -802830919, now seen corresponding path program 1 times [2024-11-13 12:34:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:21,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251126749] [2024-11-13 12:34:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:34:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:22,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251126749] [2024-11-13 12:34:22,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251126749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:22,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779964158] [2024-11-13 12:34:22,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:22,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:22,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:22,022 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:22,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 12:34:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:22,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 12:34:22,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:22,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:22,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 12:34:22,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:34:22,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779964158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:22,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:34:22,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 14 [2024-11-13 12:34:22,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729131772] [2024-11-13 12:34:22,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:22,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:34:22,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:22,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:34:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:34:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:22,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:22,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:34:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 12:34:25,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:25,310 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:25,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -370210795, now seen corresponding path program 1 times [2024-11-13 12:34:25,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:25,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461014895] [2024-11-13 12:34:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 12:34:25,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:25,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461014895] [2024-11-13 12:34:25,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461014895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:34:25,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:34:25,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:34:25,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674013117] [2024-11-13 12:34:25,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:34:25,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:34:25,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:25,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:34:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:34:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:25,380 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:34:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 12:34:26,107 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:26,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:26,108 INFO L85 PathProgramCache]: Analyzing trace with hash -611471371, now seen corresponding path program 1 times [2024-11-13 12:34:26,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:26,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631851904] [2024-11-13 12:34:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:34:26,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631851904] [2024-11-13 12:34:26,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631851904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608482040] [2024-11-13 12:34:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:26,267 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:26,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 12:34:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:26,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 12:34:26,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:34:26,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:34:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608482040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:26,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:26,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-11-13 12:34:26,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463365851] [2024-11-13 12:34:26,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:26,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 12:34:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 12:34:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2024-11-13 12:34:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:26,841 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:26,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.136363636363637) internal successors, (157), 21 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:27,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 12:34:27,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-13 12:34:27,447 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:27,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:27,448 INFO L85 PathProgramCache]: Analyzing trace with hash 762056401, now seen corresponding path program 1 times [2024-11-13 12:34:27,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:27,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826949207] [2024-11-13 12:34:27,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:29,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:29,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826949207] [2024-11-13 12:34:29,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826949207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:29,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006482193] [2024-11-13 12:34:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:29,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:29,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:29,204 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:29,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 12:34:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:29,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 12:34:29,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:29,539 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:29,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:29,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:29,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:30,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:30,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:30,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:30,649 INFO L349 Elim1Store]: treesize reduction 17, result has 63.0 percent of original size [2024-11-13 12:34:30,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 104 [2024-11-13 12:34:30,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:30,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 142 [2024-11-13 12:34:30,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:30,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 119 [2024-11-13 12:34:30,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-11-13 12:34:30,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:30,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 47 [2024-11-13 12:34:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:31,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006482193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:31,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:31,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 8, 8] total 35 [2024-11-13 12:34:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135956508] [2024-11-13 12:34:31,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:31,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-13 12:34:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-13 12:34:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1219, Unknown=9, NotChecked=0, Total=1332 [2024-11-13 12:34:31,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:31,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:31,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 5.472222222222222) internal successors, (197), 36 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:31,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:35,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 12:34:35,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-13 12:34:35,512 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1109345914, now seen corresponding path program 1 times [2024-11-13 12:34:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:35,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375539113] [2024-11-13 12:34:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:37,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:37,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375539113] [2024-11-13 12:34:37,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375539113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:37,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116614949] [2024-11-13 12:34:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:37,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:37,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:37,448 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:37,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 12:34:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:37,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 12:34:37,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:37,795 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:37,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:38,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:38,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:38,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:34:38,689 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 17 treesize of output 9 [2024-11-13 12:34:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:38,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:39,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:39,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:34:39,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:39,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-11-13 12:34:39,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:34:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:39,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116614949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:39,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:39,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9, 9] total 40 [2024-11-13 12:34:39,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771519589] [2024-11-13 12:34:39,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:39,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-13 12:34:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-13 12:34:39,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1576, Unknown=20, NotChecked=0, Total=1722 [2024-11-13 12:34:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:39,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:39,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.073170731707317) internal successors, (208), 41 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:39,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:39,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:34:42,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 12:34:42,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-13 12:34:42,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:42,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash -782979600, now seen corresponding path program 1 times [2024-11-13 12:34:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:42,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241619203] [2024-11-13 12:34:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:44,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241619203] [2024-11-13 12:34:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241619203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101401373] [2024-11-13 12:34:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:44,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:44,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:44,914 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:44,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 12:34:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:45,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 12:34:45,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:45,272 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:45,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:45,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:45,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:34:45,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:34:45,977 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 17 treesize of output 9 [2024-11-13 12:34:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:46,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:46,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:46,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:34:46,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:46,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2024-11-13 12:34:46,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:34:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:34:46,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101401373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:46,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:46,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9, 9] total 38 [2024-11-13 12:34:46,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047074142] [2024-11-13 12:34:46,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:46,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-13 12:34:46,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:46,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-13 12:34:46,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1444, Unknown=8, NotChecked=0, Total=1560 [2024-11-13 12:34:46,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:46,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:46,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.358974358974359) internal successors, (209), 39 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:34:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:34:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:34:49,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-13 12:34:49,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-13 12:34:49,658 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:34:49,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:34:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1481288777, now seen corresponding path program 2 times [2024-11-13 12:34:49,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:34:49,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141895623] [2024-11-13 12:34:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:34:49,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:34:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:34:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:34:52,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:34:52,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141895623] [2024-11-13 12:34:52,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141895623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:34:52,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468956319] [2024-11-13 12:34:52,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:34:52,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:34:52,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:34:52,115 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:34:52,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 12:34:52,497 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:34:52,497 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:34:52,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 12:34:52,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:34:52,509 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:34:52,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:34:53,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:34:53,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:53,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:53,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:34:53,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:34:53,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:34:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:34:53,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:34:54,046 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread3of4ForFork0_#t~post10_25| Int) (v_ArrVal_4518 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518))) (let ((.cse0 (select .cse1 c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_25|) (< (select (select (store .cse1 c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_25|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647))))) is different from false [2024-11-13 12:34:54,057 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread3of4ForFork0_#t~post10_25| Int) (v_ArrVal_4518 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base) c_t_funThread3of4ForFork0_~p~0.offset (+ |c_t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_25|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647) (< (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_25|)))) is different from false [2024-11-13 12:34:54,079 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread3of4ForFork0_#t~post6_26| Int) (|v_t_funThread3of4ForFork0_#t~post10_25| Int) (v_ArrVal_4518 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base))) (let ((.cse1 (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ |v_t_funThread3of4ForFork0_#t~post6_26| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post6_26|) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base (store .cse1 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_25|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647) (< (select .cse1 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_25|))))) is different from false [2024-11-13 12:34:54,217 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread3of4ForFork0_#t~post6_26| Int) (v_ArrVal_4515 Int) (|v_t_funThread3of4ForFork0_#t~post10_25| Int) (v_ArrVal_4518 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base) c_t_funThread2of4ForFork0_~p~0.offset v_ArrVal_4515)))) (let ((.cse1 (select .cse2 c_t_funThread3of4ForFork0_~p~0.base))) (let ((.cse0 (select (store (store .cse2 c_t_funThread3of4ForFork0_~p~0.base (store .cse1 c_t_funThread3of4ForFork0_~p~0.offset (+ |v_t_funThread3of4ForFork0_#t~post6_26| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base))) (or (< |c_t_funThread2of4ForFork0_#t~post10| (+ v_ArrVal_4515 1)) (< (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_25|) (< (select .cse1 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post6_26|) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_25|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647)))))) is different from false [2024-11-13 12:34:54,263 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread3of4ForFork0_#t~post6_26| Int) (v_ArrVal_4515 Int) (|v_t_funThread3of4ForFork0_#t~post10_25| Int) (v_ArrVal_4518 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base))) (let ((.cse3 (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store .cse0 c_t_funThread2of4ForFork0_~p~0.offset v_ArrVal_4515)))) (let ((.cse2 (select .cse3 c_t_funThread3of4ForFork0_~p~0.base))) (let ((.cse1 (select (store (store .cse3 c_t_funThread3of4ForFork0_~p~0.base (store .cse2 c_t_funThread3of4ForFork0_~p~0.offset (+ |v_t_funThread3of4ForFork0_#t~post6_26| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread2of4ForFork0_~p~0.offset) (+ v_ArrVal_4515 1)) (< (select .cse1 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_25|) (< (select .cse2 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post6_26|) (< (select (select (store (store .cse3 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4518) c_t_funThread3of4ForFork0_~p~0.base (store .cse1 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_25|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647))))))) is different from false [2024-11-13 12:34:54,409 INFO L349 Elim1Store]: treesize reduction 32, result has 63.2 percent of original size [2024-11-13 12:34:54,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 121 treesize of output 125 [2024-11-13 12:34:54,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:54,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 328 treesize of output 333 [2024-11-13 12:34:54,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:54,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 125 [2024-11-13 12:34:54,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-11-13 12:34:55,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:34:55,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 321 treesize of output 305 [2024-11-13 12:34:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 4 not checked. [2024-11-13 12:34:56,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468956319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:34:56,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:34:56,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 12] total 49 [2024-11-13 12:34:56,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378601585] [2024-11-13 12:34:56,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:34:56,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-13 12:34:56,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:34:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-13 12:34:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1917, Unknown=5, NotChecked=460, Total=2550 [2024-11-13 12:34:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:56,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:34:56,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 5.22) internal successors, (261), 50 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:34:56,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:34:56,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:34:56,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:34:56,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:00,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 12:35:00,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:00,303 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:35:00,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:00,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2111793598, now seen corresponding path program 3 times [2024-11-13 12:35:00,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:00,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565947789] [2024-11-13 12:35:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:35:03,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:03,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565947789] [2024-11-13 12:35:03,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565947789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:03,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576423866] [2024-11-13 12:35:03,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:35:03,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:03,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:03,009 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:03,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 12:35:03,470 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 12:35:03,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:03,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 12:35:03,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:03,486 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:35:03,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:35:03,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:35:03,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:35:04,047 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 12:35:04,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2024-11-13 12:35:04,255 INFO L349 Elim1Store]: treesize reduction 20, result has 58.3 percent of original size [2024-11-13 12:35:04,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2024-11-13 12:35:04,465 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 12:35:04,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2024-11-13 12:35:04,678 INFO L349 Elim1Store]: treesize reduction 20, result has 58.3 percent of original size [2024-11-13 12:35:04,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2024-11-13 12:35:04,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:35:04,838 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 17 treesize of output 9 [2024-11-13 12:35:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 12:35:04,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:04,945 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4744 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4744) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:35:04,953 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4744 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base) c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |c_t_funThread3of4ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4744) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483650))) is different from false [2024-11-13 12:35:08,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:08,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 34 [2024-11-13 12:35:09,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:09,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 116 [2024-11-13 12:35:09,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 65 treesize of output 63 [2024-11-13 12:35:09,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 82 treesize of output 78 [2024-11-13 12:35:09,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:35:09,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:35:09,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:09,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:35:09,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-11-13 12:35:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 11 trivial. 4 not checked. [2024-11-13 12:35:09,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576423866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:09,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:09,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 15] total 56 [2024-11-13 12:35:09,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326293632] [2024-11-13 12:35:09,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:09,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-13 12:35:09,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:09,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-13 12:35:09,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2824, Unknown=54, NotChecked=218, Total=3306 [2024-11-13 12:35:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:09,718 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:09,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 4.631578947368421) internal successors, (264), 57 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:35:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:09,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:09,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:15,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 12:35:15,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:15,800 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:35:15,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1660390696, now seen corresponding path program 2 times [2024-11-13 12:35:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:15,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395593417] [2024-11-13 12:35:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:35:18,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395593417] [2024-11-13 12:35:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395593417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026488692] [2024-11-13 12:35:18,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:35:18,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:18,994 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:18,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 12:35:19,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:35:19,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:19,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 12:35:19,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:19,435 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:35:19,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:35:20,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:35:20,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:35:20,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:35:20,727 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 17 treesize of output 9 [2024-11-13 12:35:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:35:20,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:20,849 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4982 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4982) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:35:20,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:20,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-13 12:35:20,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:20,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2024-11-13 12:35:20,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:35:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 4 not checked. [2024-11-13 12:35:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026488692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:21,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:21,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 9, 9] total 43 [2024-11-13 12:35:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463182607] [2024-11-13 12:35:21,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:21,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-13 12:35:21,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:21,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-13 12:35:21,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1770, Unknown=1, NotChecked=84, Total=1980 [2024-11-13 12:35:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:21,396 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:21,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 6.113636363636363) internal successors, (269), 44 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:35:21,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:21,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:21,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:21,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:21,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:25,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 12:35:26,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-13 12:35:26,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:35:26,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:26,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1251943559, now seen corresponding path program 2 times [2024-11-13 12:35:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:26,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133353659] [2024-11-13 12:35:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:26,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:35:26,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:26,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133353659] [2024-11-13 12:35:26,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133353659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:26,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994684659] [2024-11-13 12:35:26,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:35:26,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:26,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:26,543 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 12:35:26,952 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:35:26,952 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:26,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:35:26,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:26,965 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:35:26,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:35:27,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:35:27,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:35:27,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:35:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 12:35:27,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:27,477 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5223 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5223) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483649)) is different from false [2024-11-13 12:35:27,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:27,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2024-11-13 12:35:27,487 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 29 treesize of output 21 [2024-11-13 12:35:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 4 not checked. [2024-11-13 12:35:27,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994684659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:27,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:27,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 22 [2024-11-13 12:35:27,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166004611] [2024-11-13 12:35:27,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:27,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 12:35:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:27,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 12:35:27,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=445, Unknown=1, NotChecked=42, Total=552 [2024-11-13 12:35:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:27,644 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:27,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 12.304347826086957) internal successors, (283), 23 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:27,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:35:27,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:27,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:35:27,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-13 12:35:27,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:42,289 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base))) (and (forall ((|v_t_funThread3of4ForFork0_#t~post10_28| Int) (t_funThread3of4ForFork0_~p~0.offset Int) (v_ArrVal_4744 (Array Int Int)) (t_funThread3of4ForFork0_~p~0.base Int)) (or (< (+ |v_t_funThread3of4ForFork0_#t~post10_28| 2147483648) 0) (< 0 (+ (select (select (store (store |c_#memory_int| t_funThread3of4ForFork0_~p~0.base (store (select |c_#memory_int| t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_28|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4744) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483650)))) (= |c_~#global~0.offset| c_t_funThread1of4ForFork0_~p~0.offset) (forall ((|v_t_funThread3of4ForFork0_#t~post10_28| Int) (v_ArrVal_4744 (Array Int Int))) (or (< |v_t_funThread3of4ForFork0_#t~post10_28| (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset)) (< 0 (+ 2147483650 (select (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_28|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4744) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset))))) (not (= |c_ULTIMATE.start_main_~#t_ids~0#1.base| 4)) (<= 0 (+ 2147483649 (select (select |c_#memory_int| 4) c_t_funThread4of4ForFork0_~p~0.offset))) (= |c_~#global~0.base| 4) (forall ((v_ArrVal_4744 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |c_t_funThread3of4ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_4744) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483650))) (= c_t_funThread4of4ForFork0_~p~0.base 4) (= c_t_funThread1of4ForFork0_~p~0.base 4))) is different from false [2024-11-13 12:35:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:35:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:43,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-13 12:35:43,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-13 12:35:43,515 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:35:43,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:43,515 INFO L85 PathProgramCache]: Analyzing trace with hash -124457613, now seen corresponding path program 2 times [2024-11-13 12:35:43,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:43,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726279071] [2024-11-13 12:35:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:35:45,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:45,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726279071] [2024-11-13 12:35:45,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726279071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:45,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340797689] [2024-11-13 12:35:45,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:35:45,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:45,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:45,850 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:45,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 12:35:46,250 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:35:46,250 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:46,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 12:35:46,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:46,262 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:35:46,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:35:46,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:35:46,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:35:46,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:35:46,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:35:47,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:35:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:35:47,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:47,242 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5394 (Array Int Int)) (v_ArrVal_5395 Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5394))) (let ((.cse0 (select .cse1 c_t_funThread2of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread2of4ForFork0_~p~0.offset) (+ v_ArrVal_5395 1)) (< (select (select (store .cse1 c_t_funThread2of4ForFork0_~p~0.base (store .cse0 c_t_funThread2of4ForFork0_~p~0.offset v_ArrVal_5395)) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647))))) is different from false [2024-11-13 12:35:47,419 INFO L349 Elim1Store]: treesize reduction 17, result has 63.0 percent of original size [2024-11-13 12:35:47,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 208 treesize of output 178 [2024-11-13 12:35:47,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:47,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 119 [2024-11-13 12:35:47,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:47,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 119 [2024-11-13 12:35:47,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:35:47,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:35:47,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 118 [2024-11-13 12:35:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 6 refuted. 4 times theorem prover too weak. 5 trivial. 13 not checked. [2024-11-13 12:35:47,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340797689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:35:47,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:35:47,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 8, 8] total 35 [2024-11-13 12:35:47,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436781524] [2024-11-13 12:35:47,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:35:47,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-13 12:35:47,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:35:47,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-13 12:35:47,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1144, Unknown=11, NotChecked=68, Total=1332 [2024-11-13 12:35:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:47,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:35:47,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 5.527777777777778) internal successors, (199), 36 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:47,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:35:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:35:52,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 12:35:52,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2024-11-13 12:35:52,771 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:35:52,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:35:52,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1571317113, now seen corresponding path program 3 times [2024-11-13 12:35:52,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:35:52,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976671133] [2024-11-13 12:35:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:35:52,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:35:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:35:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:35:55,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:35:55,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976671133] [2024-11-13 12:35:55,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976671133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:35:55,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799113569] [2024-11-13 12:35:55,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:35:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:35:55,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:35:55,197 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:35:55,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 12:35:55,878 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-13 12:35:55,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:35:55,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 12:35:55,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:35:55,929 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-13 12:35:55,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-11-13 12:35:56,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:35:56,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:35:56,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:35:57,298 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2024-11-13 12:35:57,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2024-11-13 12:35:57,755 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-13 12:35:57,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 38 [2024-11-13 12:35:57,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:35:58,222 INFO L349 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2024-11-13 12:35:58,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 66 [2024-11-13 12:35:58,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-11-13 12:35:58,566 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 23 treesize of output 11 [2024-11-13 12:35:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:35:58,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:35:58,649 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5573 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5573) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647)) is different from false [2024-11-13 12:35:58,674 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5573 (Array Int Int))) (< (select (select (store (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base) c_t_funThread2of4ForFork0_~p~0.offset (+ (- 1) |c_t_funThread2of4ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5573) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647)) is different from false [2024-11-13 12:35:58,693 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5573 (Array Int Int))) (< (select (select (store (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base) c_t_funThread2of4ForFork0_~p~0.offset (+ (- 1) |c_t_funThread2of4ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5573) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647)) is different from false [2024-11-13 12:36:02,134 INFO L349 Elim1Store]: treesize reduction 38, result has 56.8 percent of original size [2024-11-13 12:36:02,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 2424 treesize of output 1911 [2024-11-13 12:36:02,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:02,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 404 treesize of output 402 [2024-11-13 12:36:02,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:02,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 660 treesize of output 644 [2024-11-13 12:36:02,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 588 treesize of output 572 [2024-11-13 12:36:02,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 54 treesize of output 46 [2024-11-13 12:36:02,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-13 12:36:04,632 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-13 12:36:04,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 67 [2024-11-13 12:36:04,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:36:04,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:36:04,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:36:04,814 INFO L349 Elim1Store]: treesize reduction 20, result has 56.5 percent of original size [2024-11-13 12:36:04,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 58 [2024-11-13 12:36:04,914 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:36:04,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-13 12:36:04,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:04,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 55 [2024-11-13 12:36:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 2 times theorem prover too weak. 3 trivial. 17 not checked. [2024-11-13 12:36:08,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799113569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:36:08,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:36:08,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 14] total 46 [2024-11-13 12:36:08,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611375826] [2024-11-13 12:36:08,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:36:08,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 12:36:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:36:08,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 12:36:08,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1755, Unknown=77, NotChecked=264, Total=2256 [2024-11-13 12:36:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:08,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:36:08,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.425531914893617) internal successors, (208), 47 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:36:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:08,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:36:20,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-13 12:36:20,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2024-11-13 12:36:20,216 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:36:20,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:36:20,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2087248860, now seen corresponding path program 2 times [2024-11-13 12:36:20,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:36:20,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721814942] [2024-11-13 12:36:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:36:20,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:36:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:36:22,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:36:22,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721814942] [2024-11-13 12:36:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721814942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:36:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873927921] [2024-11-13 12:36:22,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:36:22,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:22,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:36:22,905 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:36:22,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-13 12:36:23,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:36:23,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:36:23,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 12:36:23,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:23,339 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:36:23,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:36:23,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:36:24,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:36:24,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:36:24,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:36:24,341 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 17 treesize of output 9 [2024-11-13 12:36:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:36:24,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:36:24,613 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5746 (Array Int Int))) (< 0 (+ 2147483650 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5746) |c_~#global~0.base|) |c_~#global~0.offset|)))) is different from false [2024-11-13 12:36:24,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:24,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:36:24,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:24,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-11-13 12:36:24,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:36:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 8 not checked. [2024-11-13 12:36:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873927921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:36:29,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:36:29,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9, 9] total 40 [2024-11-13 12:36:29,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48913088] [2024-11-13 12:36:29,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:36:29,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-13 12:36:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:36:29,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-13 12:36:29,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1498, Unknown=15, NotChecked=78, Total=1722 [2024-11-13 12:36:29,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:29,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:36:29,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.121951219512195) internal successors, (210), 41 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:36:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:36:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:35,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-13 12:36:36,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-11-13 12:36:36,021 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:36:36,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:36:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -6054322, now seen corresponding path program 2 times [2024-11-13 12:36:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:36:36,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874107526] [2024-11-13 12:36:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:36:36,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:36:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:36:38,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:36:38,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874107526] [2024-11-13 12:36:38,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874107526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:36:38,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77849297] [2024-11-13 12:36:38,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:36:38,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:38,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:36:38,743 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:36:38,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 12:36:39,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:36:39,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:36:39,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 12:36:39,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:39,190 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:36:39,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:36:39,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:36:39,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:36:39,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:36:40,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:36:40,103 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 17 treesize of output 9 [2024-11-13 12:36:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:36:40,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:36:40,197 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5938 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5938) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset)))) is different from false [2024-11-13 12:36:40,237 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5938 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_5938) |c_~#global~0.base|) |c_~#global~0.offset|)))) is different from false [2024-11-13 12:36:40,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:40,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:36:40,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:40,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2024-11-13 12:36:40,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:36:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 20 not checked. [2024-11-13 12:36:40,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77849297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:36:40,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:36:40,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9, 9] total 38 [2024-11-13 12:36:40,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891024608] [2024-11-13 12:36:40,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:36:40,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-13 12:36:40,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:36:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-13 12:36:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1298, Unknown=2, NotChecked=146, Total=1560 [2024-11-13 12:36:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:40,746 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:36:40,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.615384615384615) internal successors, (219), 39 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:36:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:36:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:36:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:36:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:36:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:36:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:36:47,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-13 12:36:47,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:47,301 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:36:47,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:36:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1142946965, now seen corresponding path program 3 times [2024-11-13 12:36:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:36:47,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980179532] [2024-11-13 12:36:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:36:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:36:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:36:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:36:50,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:36:50,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980179532] [2024-11-13 12:36:50,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980179532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:36:50,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136573561] [2024-11-13 12:36:50,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:36:50,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:36:50,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:36:50,652 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:36:50,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-13 12:36:51,876 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-13 12:36:51,876 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:36:51,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 12:36:51,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:36:51,895 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:36:51,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:36:52,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:36:52,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:36:52,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:36:52,775 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 12:36:52,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-13 12:36:53,159 INFO L349 Elim1Store]: treesize reduction 20, result has 58.3 percent of original size [2024-11-13 12:36:53,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2024-11-13 12:36:53,342 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-13 12:36:53,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2024-11-13 12:36:53,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-13 12:36:53,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-13 12:36:53,984 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2024-11-13 12:36:53,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2024-11-13 12:36:54,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:36:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:36:54,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:36:54,570 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (|v_t_funThread3of4ForFork0_#t~post10_40| Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166))) (let ((.cse0 (select .cse1 c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|) (< (select (select (store .cse1 c_t_funThread3of4ForFork0_~p~0.base (store .cse0 c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) c_t_funThread4of4ForFork0_~p~0.base) c_t_funThread4of4ForFork0_~p~0.offset) 2147483647))))) is different from false [2024-11-13 12:36:54,828 WARN L851 $PredicateComparison]: unable to prove that (forall ((t_funThread3of4ForFork0_~p~0.offset Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (or (< 2147483646 |t_funThread3of4ForFork0_#t~post6|) (forall ((v_ArrVal_6166 (Array Int Int)) (|v_t_funThread3of4ForFork0_#t~post10_40| Int)) (let ((.cse0 (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse0 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647)))))) is different from false [2024-11-13 12:36:55,046 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (v_ArrVal_6162 Int) (t_funThread3of4ForFork0_~p~0.offset Int) (|v_t_funThread3of4ForFork0_#t~post10_40| Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (let ((.cse0 (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base) c_t_funThread2of4ForFork0_~p~0.offset v_ArrVal_6162)))) (let ((.cse1 (select (store (store .cse0 c_t_funThread3of4ForFork0_~p~0.base (store (select .cse0 c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse1 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647) (< (select .cse1 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|) (< 2147483646 |t_funThread3of4ForFork0_#t~post6|) (< |c_t_funThread2of4ForFork0_#t~post10| (+ v_ArrVal_6162 1)))))) is different from false [2024-11-13 12:36:55,111 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (v_ArrVal_6162 Int) (t_funThread3of4ForFork0_~p~0.offset Int) (|v_t_funThread3of4ForFork0_#t~post10_40| Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (let ((.cse2 (select |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base))) (let ((.cse0 (store |c_#memory_int| c_t_funThread2of4ForFork0_~p~0.base (store .cse2 c_t_funThread2of4ForFork0_~p~0.offset v_ArrVal_6162)))) (let ((.cse1 (select (store (store .cse0 c_t_funThread3of4ForFork0_~p~0.base (store (select .cse0 c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse1 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647) (< (select .cse1 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|) (< (select .cse2 c_t_funThread2of4ForFork0_~p~0.offset) (+ v_ArrVal_6162 1)) (< 2147483646 |t_funThread3of4ForFork0_#t~post6|)))))) is different from false [2024-11-13 12:36:55,260 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (v_ArrVal_6162 Int) (t_funThread3of4ForFork0_~p~0.offset Int) (t_funThread2of4ForFork0_~p~0.offset Int) (t_funThread2of4ForFork0_~p~0.base Int) (|v_t_funThread3of4ForFork0_#t~post10_40| Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (let ((.cse1 (store |c_#memory_int| t_funThread2of4ForFork0_~p~0.base (store (select |c_#memory_int| t_funThread2of4ForFork0_~p~0.base) t_funThread2of4ForFork0_~p~0.offset v_ArrVal_6162)))) (let ((.cse0 (select (store (store .cse1 c_t_funThread3of4ForFork0_~p~0.base (store (select .cse1 c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|) (< 2147483646 |t_funThread3of4ForFork0_#t~post6|) (< 2147483646 v_ArrVal_6162) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse0 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647))))) is different from false [2024-11-13 12:36:55,663 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (v_ArrVal_6162 Int) (t_funThread3of4ForFork0_~p~0.offset Int) (t_funThread2of4ForFork0_~p~0.offset Int) (v_ArrVal_6159 Int) (t_funThread2of4ForFork0_~p~0.base Int) (|v_t_funThread3of4ForFork0_#t~post10_40| Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (let ((.cse0 (let ((.cse2 (store |c_#memory_int| c_t_funThread1of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread1of4ForFork0_~p~0.base) c_t_funThread1of4ForFork0_~p~0.offset v_ArrVal_6159)))) (store .cse2 t_funThread2of4ForFork0_~p~0.base (store (select .cse2 t_funThread2of4ForFork0_~p~0.base) t_funThread2of4ForFork0_~p~0.offset v_ArrVal_6162))))) (let ((.cse1 (select (store (store .cse0 c_t_funThread3of4ForFork0_~p~0.base (store (select .cse0 c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< 2147483646 |t_funThread3of4ForFork0_#t~post6|) (< 2147483646 v_ArrVal_6162) (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse1 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647) (< |c_t_funThread1of4ForFork0_#t~post10| (+ v_ArrVal_6159 1)) (< (select .cse1 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|))))) is different from false [2024-11-13 12:36:55,732 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6166 (Array Int Int)) (v_ArrVal_6162 Int) (t_funThread3of4ForFork0_~p~0.offset Int) (t_funThread2of4ForFork0_~p~0.offset Int) (v_ArrVal_6159 Int) (t_funThread2of4ForFork0_~p~0.base Int) (|v_t_funThread3of4ForFork0_#t~post10_40| Int) (|t_funThread3of4ForFork0_#t~post6| Int)) (let ((.cse0 (select |c_#memory_int| c_t_funThread1of4ForFork0_~p~0.base))) (let ((.cse1 (let ((.cse3 (store |c_#memory_int| c_t_funThread1of4ForFork0_~p~0.base (store .cse0 c_t_funThread1of4ForFork0_~p~0.offset v_ArrVal_6159)))) (store .cse3 t_funThread2of4ForFork0_~p~0.base (store (select .cse3 t_funThread2of4ForFork0_~p~0.base) t_funThread2of4ForFork0_~p~0.offset v_ArrVal_6162))))) (let ((.cse2 (select (store (store .cse1 c_t_funThread3of4ForFork0_~p~0.base (store (select .cse1 c_t_funThread3of4ForFork0_~p~0.base) t_funThread3of4ForFork0_~p~0.offset (+ |t_funThread3of4ForFork0_#t~post6| 1))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base))) (or (< (select .cse0 c_t_funThread1of4ForFork0_~p~0.offset) (+ v_ArrVal_6159 1)) (< 2147483646 |t_funThread3of4ForFork0_#t~post6|) (< 2147483646 v_ArrVal_6162) (< (select (select (store (store .cse1 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6166) c_t_funThread3of4ForFork0_~p~0.base (store .cse2 t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |v_t_funThread3of4ForFork0_#t~post10_40|))) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483647) (< (select .cse2 t_funThread3of4ForFork0_~p~0.offset) |v_t_funThread3of4ForFork0_#t~post10_40|)))))) is different from false [2024-11-13 12:36:58,714 INFO L349 Elim1Store]: treesize reduction 38, result has 56.8 percent of original size [2024-11-13 12:36:58,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1253 treesize of output 1094 [2024-11-13 12:36:58,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:58,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 643 treesize of output 639 [2024-11-13 12:36:58,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:58,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1499 treesize of output 1477 [2024-11-13 12:36:58,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:36:58,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2024-11-13 12:36:59,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-13 12:37:03,514 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2024-11-13 12:37:03,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1720 treesize of output 1678 [2024-11-13 12:37:04,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:04,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2024-11-13 12:37:04,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-13 12:37:04,885 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-13 12:37:04,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2024-11-13 12:37:04,973 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-13 12:37:05,047 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-13 12:37:05,179 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:37:05,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 169 treesize of output 163 [2024-11-13 12:37:05,205 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-11-13 12:37:05,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 150 treesize of output 1 [2024-11-13 12:37:05,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:05,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2962 treesize of output 2908 [2024-11-13 12:37:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 10 refuted. 4 times theorem prover too weak. 3 trivial. 19 not checked. [2024-11-13 12:37:09,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136573561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:37:09,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:37:09,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14, 16] total 54 [2024-11-13 12:37:09,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676593830] [2024-11-13 12:37:09,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:37:09,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-13 12:37:09,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:37:09,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-13 12:37:09,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2123, Unknown=81, NotChecked=700, Total=3080 [2024-11-13 12:37:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:09,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:37:09,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 4.745454545454545) internal successors, (261), 55 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:37:09,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:09,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:37:09,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:37:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:37:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-13 12:37:19,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-13 12:37:20,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:37:20,018 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:37:20,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:37:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash -202431887, now seen corresponding path program 4 times [2024-11-13 12:37:20,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:37:20,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179584018] [2024-11-13 12:37:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:37:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:37:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:37:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:37:22,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:37:22,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179584018] [2024-11-13 12:37:22,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179584018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:37:22,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022415652] [2024-11-13 12:37:22,692 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:37:22,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:37:22,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:37:22,694 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:37:22,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-13 12:37:23,183 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:37:23,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:37:23,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 12:37:23,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:37:23,199 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:37:23,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:37:23,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:37:23,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:37:24,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:37:24,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:37:24,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:37:25,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-13 12:37:25,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:37:25,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:37:25,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:37:25,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:37:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:37:25,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:37:25,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:25,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-13 12:37:25,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:25,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 35 [2024-11-13 12:37:25,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-13 12:37:27,773 INFO L349 Elim1Store]: treesize reduction 17, result has 63.0 percent of original size [2024-11-13 12:37:27,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 110 [2024-11-13 12:37:27,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:27,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 97 [2024-11-13 12:37:27,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:27,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 78 [2024-11-13 12:37:27,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-11-13 12:37:27,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:37:27,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2024-11-13 12:37:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:37:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022415652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:37:28,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:37:28,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 17] total 59 [2024-11-13 12:37:28,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674404323] [2024-11-13 12:37:28,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:37:28,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-13 12:37:28,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:37:28,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-13 12:37:28,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=3390, Unknown=7, NotChecked=0, Total=3660 [2024-11-13 12:37:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:28,217 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:37:28,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 4.516666666666667) internal successors, (271), 60 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:37:28,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-13 12:37:28,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:37:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-13 12:37:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:37:38,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-13 12:37:38,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:37:38,287 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:37:38,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:37:38,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2099888156, now seen corresponding path program 4 times [2024-11-13 12:37:38,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:37:38,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209959532] [2024-11-13 12:37:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:37:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:37:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:37:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:37:41,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:37:41,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209959532] [2024-11-13 12:37:41,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209959532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:37:41,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864174353] [2024-11-13 12:37:41,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:37:41,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:37:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:37:41,593 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:37:41,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-13 12:37:42,091 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:37:42,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:37:42,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 12:37:42,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:37:42,108 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:37:42,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:37:42,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:37:42,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:37:43,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:37:43,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:37:43,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:37:44,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:37:44,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:37:44,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:37:44,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:37:44,594 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 17 treesize of output 9 [2024-11-13 12:37:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:37:44,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:37:44,919 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6620 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base (store (select |c_#memory_int| c_t_funThread3of4ForFork0_~p~0.base) c_t_funThread3of4ForFork0_~p~0.offset (+ (- 1) |c_t_funThread3of4ForFork0_#t~post10|))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6620) |c_~#global~0.base|) |c_~#global~0.offset|) 2147483650))) is different from false [2024-11-13 12:38:37,323 INFO L349 Elim1Store]: treesize reduction 38, result has 56.8 percent of original size [2024-11-13 12:38:37,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5784 treesize of output 5097 [2024-11-13 12:38:37,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:38:37,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1075 treesize of output 1055 [2024-11-13 12:38:37,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:38:37,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1832 treesize of output 1784 [2024-11-13 12:38:37,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 310 treesize of output 290 [2024-11-13 12:38:38,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 102 treesize of output 94 [2024-11-13 12:38:38,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 338 treesize of output 334 [2024-11-13 12:38:41,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:38:41,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 63 [2024-11-13 12:38:41,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:38:41,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 249 treesize of output 243 [2024-11-13 12:38:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:38:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:38:41,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 103 treesize of output 99 [2024-11-13 12:38:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:39:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 29 refuted. 2 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:39:01,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864174353] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:39:01,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:39:01,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 19, 19] total 65 [2024-11-13 12:39:01,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475818964] [2024-11-13 12:39:01,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:39:01,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-13 12:39:01,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:39:01,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-13 12:39:01,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3813, Unknown=154, NotChecked=128, Total=4422 [2024-11-13 12:39:01,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:39:01,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:39:01,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 4.166666666666667) internal successors, (275), 66 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-13 12:39:01,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:39:01,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:39:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:39:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:39:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:39:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:39:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-13 12:39:17,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-13 12:39:18,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:39:18,046 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 12:39:18,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:39:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2143299910, now seen corresponding path program 3 times [2024-11-13 12:39:18,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:39:18,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161437367] [2024-11-13 12:39:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:39:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:39:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:39:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:39:23,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:39:23,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161437367] [2024-11-13 12:39:23,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161437367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:39:23,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102509635] [2024-11-13 12:39:23,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:39:23,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:39:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:39:23,029 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:39:23,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ff4da7-7da7-4ab9-99e7-94e7c4e85dd8/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 12:39:23,534 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 12:39:23,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:39:23,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 12:39:23,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:39:23,553 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:39:23,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:39:24,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:39:24,529 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2024-11-13 12:39:24,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 42 [2024-11-13 12:39:25,218 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2024-11-13 12:39:25,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2024-11-13 12:39:25,433 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 12:39:25,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2024-11-13 12:39:25,857 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-13 12:39:25,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2024-11-13 12:39:25,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:39:26,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-13 12:39:26,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 15 [2024-11-13 12:39:26,486 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 17 treesize of output 9 [2024-11-13 12:39:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 12:39:26,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:39:26,907 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6865 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_6865) |c_~#global~0.base|) |c_~#global~0.offset|)))) is different from false [2024-11-13 12:39:31,804 INFO L349 Elim1Store]: treesize reduction 125, result has 44.9 percent of original size [2024-11-13 12:39:31,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 197 treesize of output 189 [2024-11-13 12:39:31,997 INFO L349 Elim1Store]: treesize reduction 11, result has 83.6 percent of original size [2024-11-13 12:39:31,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2438 treesize of output 2441 [2024-11-13 12:39:32,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 300 treesize of output 282 [2024-11-13 12:39:42,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:39:42,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:39:42,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 127 [2024-11-13 12:39:43,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:39:43,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 12:39:43,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:39:43,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:39:43,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 6 [2024-11-13 12:39:43,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:39:43,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-13 12:39:45,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:39:45,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 399 treesize of output 990 [2024-11-13 12:42:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 8 not checked. [2024-11-13 12:42:13,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102509635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:42:13,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:42:13,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 15, 17] total 57 [2024-11-13 12:42:13,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265882106] [2024-11-13 12:42:13,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:42:13,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-13 12:42:13,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:42:13,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-13 12:42:13,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=3034, Unknown=44, NotChecked=112, Total=3422 [2024-11-13 12:42:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:42:13,687 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:42:13,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 4.706896551724138) internal successors, (273), 58 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:42:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:42:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:42:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-13 12:42:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:42:35,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:37,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:38,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:40,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:42,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:44,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:47,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:49,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:52,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:42:58,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:01,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:38,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:40,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:42,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:45,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:47,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:49,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:51,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:53,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:55,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:57,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:43:59,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:03,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:05,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:07,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:09,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:11,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:13,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:15,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:17,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:19,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:21,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:23,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:25,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:27,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:29,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:31,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:33,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:35,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:37,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:39,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:41,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:43,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:45,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:47,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:49,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:51,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:53,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:55,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:57,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:44:59,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:01,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:03,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:05,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:07,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:09,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:11,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:13,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:15,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:17,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:19,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:21,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:23,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:28,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:30,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:35,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:37,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:39,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:41,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:43,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:45,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:47,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:49,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:52,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:54,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:56,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:45:58,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:00,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:02,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:04,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:06,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:08,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:10,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:12,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:14,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:16,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:18,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:20,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:22,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:24,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:26,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:28,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:30,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:32,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:34,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:36,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:38,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:40,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:42,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:44,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:46,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:48,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:50,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:52,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:54,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:56,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:46:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:00,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:02,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:04,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:06,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:08,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:10,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:12,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:15,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:17,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:19,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:21,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 12:47:23,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]