./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:39:19,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:39:19,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:39:19,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:39:19,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:39:19,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:39:19,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:39:19,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:39:19,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:39:19,598 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:39:19,598 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:39:19,599 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:39:19,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:39:19,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:39:19,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:39:19,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:39:19,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:19,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:39:19,602 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 [2024-11-13 23:39:19,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:39:19,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:39:19,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:39:19,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:39:19,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:39:19,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 23:39:21,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:39:21,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:39:21,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2024-11-13 23:39:22,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/data/83feededf/0e86bd4d622e4d5d85fdf3fe4740c48f/FLAG6a19a9b12 [2024-11-13 23:39:22,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/data/83feededf/0e86bd4d622e4d5d85fdf3fe4740c48f [2024-11-13 23:39:22,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:39:22,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:39:22,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:22,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:39:22,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:39:22,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493cc85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22, skipping insertion in model container [2024-11-13 23:39:22,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:39:22,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:22,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:39:22,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:22,561 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:39:22,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22 WrapperNode [2024-11-13 23:39:22,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:22,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:22,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:39:22,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:39:22,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,614 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2024-11-13 23:39:22,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:22,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:39:22,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:39:22,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:39:22,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:39:22,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:39:22,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:39:22,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:39:22,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (1/1) ... [2024-11-13 23:39:22,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:22,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:22,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:39:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:39:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:39:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:39:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:39:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:39:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:39:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:39:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:39:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:39:22,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:39:22,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:39:23,499 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-13 23:39:23,500 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:39:23,540 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:39:23,541 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:39:23,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:23 BoogieIcfgContainer [2024-11-13 23:39:23,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:39:23,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:39:23,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:39:23,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:39:23,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:22" (1/3) ... [2024-11-13 23:39:23,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea55fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:23, skipping insertion in model container [2024-11-13 23:39:23,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:22" (2/3) ... [2024-11-13 23:39:23,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea55fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:23, skipping insertion in model container [2024-11-13 23:39:23,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:23" (3/3) ... [2024-11-13 23:39:23,554 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound20.c [2024-11-13 23:39:23,570 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:39:23,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound20.c that has 3 procedures, 137 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2024-11-13 23:39:23,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:39:23,650 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=FINITE_AUTOMATA, 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;@3bceac71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:39:23,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-13 23:39:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 127 states have internal predecessors, (136), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:39:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:39:23,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:23,663 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:23,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:23,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:23,669 INFO L85 PathProgramCache]: Analyzing trace with hash 879355021, now seen corresponding path program 1 times [2024-11-13 23:39:23,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:23,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495191711] [2024-11-13 23:39:23,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:23,838 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 23:39:23,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:23,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495191711] [2024-11-13 23:39:23,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495191711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:23,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:23,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:39:23,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666936130] [2024-11-13 23:39:23,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:23,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:39:23,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:23,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:39:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:39:23,880 INFO L87 Difference]: Start difference. First operand has 137 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 127 states have internal predecessors, (136), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:23,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:23,933 INFO L93 Difference]: Finished difference Result 268 states and 293 transitions. [2024-11-13 23:39:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:39:23,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 10 [2024-11-13 23:39:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:23,948 INFO L225 Difference]: With dead ends: 268 [2024-11-13 23:39:23,948 INFO L226 Difference]: Without dead ends: 134 [2024-11-13 23:39:23,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:39:23,958 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:23,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:39:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-13 23:39:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-13 23:39:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 70 states have (on average 1.8714285714285714) internal successors, (131), 125 states have internal predecessors, (131), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:39:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2024-11-13 23:39:24,042 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 10 [2024-11-13 23:39:24,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:24,043 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2024-11-13 23:39:24,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2024-11-13 23:39:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:39:24,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:24,046 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:24,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:39:24,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:24,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:24,048 INFO L85 PathProgramCache]: Analyzing trace with hash 879350700, now seen corresponding path program 1 times [2024-11-13 23:39:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:24,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552725027] [2024-11-13 23:39:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:24,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:24,218 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 23:39:24,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:24,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552725027] [2024-11-13 23:39:24,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552725027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:24,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:24,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:24,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608701046] [2024-11-13 23:39:24,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:24,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:24,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:24,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:24,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:24,221 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:24,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:24,298 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2024-11-13 23:39:24,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:24,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 10 [2024-11-13 23:39:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:24,300 INFO L225 Difference]: With dead ends: 168 [2024-11-13 23:39:24,300 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 23:39:24,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:24,302 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 7 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:24,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 397 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:39:24,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 23:39:24,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-13 23:39:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:39:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2024-11-13 23:39:24,315 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 10 [2024-11-13 23:39:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:24,315 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2024-11-13 23:39:24,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2024-11-13 23:39:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:39:24,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:24,316 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:24,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:39:24,316 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:24,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2127848623, now seen corresponding path program 1 times [2024-11-13 23:39:24,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:24,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319261751] [2024-11-13 23:39:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:24,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:24,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319261751] [2024-11-13 23:39:24,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319261751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:24,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:24,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:39:24,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688106841] [2024-11-13 23:39:24,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:24,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:24,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:24,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:24,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:24,457 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:24,921 INFO L93 Difference]: Finished difference Result 236 states and 259 transitions. [2024-11-13 23:39:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:39:24,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-13 23:39:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:24,923 INFO L225 Difference]: With dead ends: 236 [2024-11-13 23:39:24,924 INFO L226 Difference]: Without dead ends: 208 [2024-11-13 23:39:24,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:39:24,925 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 253 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:24,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 273 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-13 23:39:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 139. [2024-11-13 23:39:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:39:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-13 23:39:24,939 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 14 [2024-11-13 23:39:24,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:24,939 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-13 23:39:24,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-13 23:39:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:39:24,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:24,940 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:24,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:39:24,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:24,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1538796134, now seen corresponding path program 1 times [2024-11-13 23:39:24,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:24,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606306182] [2024-11-13 23:39:24,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:24,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:25,117 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 23:39:25,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:25,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606306182] [2024-11-13 23:39:25,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606306182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:25,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:25,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 23:39:25,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746361581] [2024-11-13 23:39:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:25,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:39:25,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:25,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:39:25,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:39:25,119 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:25,246 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2024-11-13 23:39:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:39:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-13 23:39:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:25,248 INFO L225 Difference]: With dead ends: 173 [2024-11-13 23:39:25,248 INFO L226 Difference]: Without dead ends: 172 [2024-11-13 23:39:25,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:39:25,249 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 39 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:25,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 761 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-13 23:39:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 141. [2024-11-13 23:39:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:39:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-13 23:39:25,261 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-13 23:39:25,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:25,262 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-13 23:39:25,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-13 23:39:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:39:25,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:25,262 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:25,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:39:25,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:25,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:25,263 INFO L85 PathProgramCache]: Analyzing trace with hash 458039959, now seen corresponding path program 1 times [2024-11-13 23:39:25,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:25,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662489754] [2024-11-13 23:39:25,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:25,360 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 23:39:25,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:25,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662489754] [2024-11-13 23:39:25,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662489754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:25,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:25,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 23:39:25,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901100765] [2024-11-13 23:39:25,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:25,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:39:25,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:25,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:39:25,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:39:25,362 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:25,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:25,528 INFO L93 Difference]: Finished difference Result 271 states and 290 transitions. [2024-11-13 23:39:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 23:39:25,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-13 23:39:25,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:25,530 INFO L225 Difference]: With dead ends: 271 [2024-11-13 23:39:25,531 INFO L226 Difference]: Without dead ends: 143 [2024-11-13 23:39:25,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:39:25,534 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 9 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:25,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 767 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:25,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-13 23:39:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-13 23:39:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:39:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-13 23:39:25,557 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-13 23:39:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:25,557 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-13 23:39:25,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-13 23:39:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:39:25,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:25,558 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:25,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:39:25,559 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:25,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:25,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1805969892, now seen corresponding path program 1 times [2024-11-13 23:39:25,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800335451] [2024-11-13 23:39:25,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:25,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:25,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758468002] [2024-11-13 23:39:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:25,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:25,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:25,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:39:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:25,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:39:25,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:25,733 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 23:39:25,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:25,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:25,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800335451] [2024-11-13 23:39:25,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:25,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758468002] [2024-11-13 23:39:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758468002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:25,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:39:25,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048354627] [2024-11-13 23:39:25,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:25,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:39:25,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:25,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:39:25,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:25,736 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:26,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:26,061 INFO L93 Difference]: Finished difference Result 222 states and 243 transitions. [2024-11-13 23:39:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:39:26,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-13 23:39:26,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:26,063 INFO L225 Difference]: With dead ends: 222 [2024-11-13 23:39:26,063 INFO L226 Difference]: Without dead ends: 218 [2024-11-13 23:39:26,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:26,064 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 68 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:26,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 234 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-13 23:39:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2024-11-13 23:39:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 120 states have (on average 1.7916666666666667) internal successors, (215), 175 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 235 transitions. [2024-11-13 23:39:26,077 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 235 transitions. Word has length 20 [2024-11-13 23:39:26,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:26,078 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 235 transitions. [2024-11-13 23:39:26,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 235 transitions. [2024-11-13 23:39:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:39:26,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:26,078 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:26,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:39:26,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:26,279 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:26,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1805970562, now seen corresponding path program 1 times [2024-11-13 23:39:26,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113045018] [2024-11-13 23:39:26,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:26,443 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 23:39:26,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:26,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113045018] [2024-11-13 23:39:26,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113045018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:26,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:26,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 23:39:26,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736888300] [2024-11-13 23:39:26,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:26,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 23:39:26,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:26,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 23:39:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:39:26,445 INFO L87 Difference]: Start difference. First operand 188 states and 235 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:26,650 INFO L93 Difference]: Finished difference Result 237 states and 253 transitions. [2024-11-13 23:39:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 23:39:26,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-13 23:39:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:26,655 INFO L225 Difference]: With dead ends: 237 [2024-11-13 23:39:26,656 INFO L226 Difference]: Without dead ends: 235 [2024-11-13 23:39:26,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:39:26,658 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 188 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:26,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 739 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:26,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-13 23:39:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 190. [2024-11-13 23:39:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 121 states have (on average 1.7685950413223142) internal successors, (214), 176 states have internal predecessors, (214), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 234 transitions. [2024-11-13 23:39:26,690 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 234 transitions. Word has length 20 [2024-11-13 23:39:26,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:26,690 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 234 transitions. [2024-11-13 23:39:26,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 234 transitions. [2024-11-13 23:39:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:39:26,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:26,692 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:26,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 23:39:26,693 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:26,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash -150512495, now seen corresponding path program 1 times [2024-11-13 23:39:26,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:26,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91909039] [2024-11-13 23:39:26,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:26,865 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 23:39:26,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:26,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91909039] [2024-11-13 23:39:26,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91909039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:26,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:26,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 23:39:26,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702765362] [2024-11-13 23:39:26,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:26,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 23:39:26,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:26,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 23:39:26,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:39:26,868 INFO L87 Difference]: Start difference. First operand 190 states and 234 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:27,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:27,055 INFO L93 Difference]: Finished difference Result 390 states and 480 transitions. [2024-11-13 23:39:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 23:39:27,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-13 23:39:27,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:27,058 INFO L225 Difference]: With dead ends: 390 [2024-11-13 23:39:27,058 INFO L226 Difference]: Without dead ends: 215 [2024-11-13 23:39:27,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:39:27,061 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 32 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:27,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1002 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-13 23:39:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 195. [2024-11-13 23:39:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.746031746031746) internal successors, (220), 181 states have internal predecessors, (220), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 240 transitions. [2024-11-13 23:39:27,074 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 240 transitions. Word has length 21 [2024-11-13 23:39:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:27,074 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 240 transitions. [2024-11-13 23:39:27,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 240 transitions. [2024-11-13 23:39:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:39:27,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:27,075 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:27,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 23:39:27,076 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:27,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:27,076 INFO L85 PathProgramCache]: Analyzing trace with hash -370273506, now seen corresponding path program 1 times [2024-11-13 23:39:27,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:27,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852100448] [2024-11-13 23:39:27,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:27,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:27,200 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 23:39:27,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:27,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852100448] [2024-11-13 23:39:27,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852100448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:27,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:27,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:39:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757922565] [2024-11-13 23:39:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:27,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:27,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:27,203 INFO L87 Difference]: Start difference. First operand 195 states and 240 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:27,505 INFO L93 Difference]: Finished difference Result 222 states and 244 transitions. [2024-11-13 23:39:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:27,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-13 23:39:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:27,507 INFO L225 Difference]: With dead ends: 222 [2024-11-13 23:39:27,507 INFO L226 Difference]: Without dead ends: 221 [2024-11-13 23:39:27,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:27,508 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 63 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:27,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 387 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-13 23:39:27,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2024-11-13 23:39:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.7401574803149606) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 241 transitions. [2024-11-13 23:39:27,520 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 241 transitions. Word has length 22 [2024-11-13 23:39:27,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:27,520 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 241 transitions. [2024-11-13 23:39:27,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 241 transitions. [2024-11-13 23:39:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:39:27,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:27,521 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:27,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 23:39:27,522 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:27,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:27,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1406423366, now seen corresponding path program 1 times [2024-11-13 23:39:27,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:27,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492950584] [2024-11-13 23:39:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:27,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:27,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983922037] [2024-11-13 23:39:27,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:27,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:27,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:27,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:27,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:39:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:27,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:39:27,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:27,732 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 23:39:27,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:27,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492950584] [2024-11-13 23:39:27,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983922037] [2024-11-13 23:39:27,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983922037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:27,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:27,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:27,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265261684] [2024-11-13 23:39:27,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:27,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:27,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:27,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:27,736 INFO L87 Difference]: Start difference. First operand 196 states and 241 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:28,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:28,189 INFO L93 Difference]: Finished difference Result 220 states and 243 transitions. [2024-11-13 23:39:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:28,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-13 23:39:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:28,192 INFO L225 Difference]: With dead ends: 220 [2024-11-13 23:39:28,192 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 23:39:28,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:28,193 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 62 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:28,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 331 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:28,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 23:39:28,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2024-11-13 23:39:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 128 states have (on average 1.734375) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 242 transitions. [2024-11-13 23:39:28,212 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 242 transitions. Word has length 23 [2024-11-13 23:39:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:28,212 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 242 transitions. [2024-11-13 23:39:28,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2024-11-13 23:39:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:39:28,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:28,214 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:28,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:28,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 23:39:28,414 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:28,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:28,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1386383059, now seen corresponding path program 1 times [2024-11-13 23:39:28,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:28,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417439393] [2024-11-13 23:39:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:28,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442138921] [2024-11-13 23:39:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:28,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:28,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:28,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:28,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 23:39:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:28,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:39:28,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:28,532 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 23:39:28,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:28,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:28,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417439393] [2024-11-13 23:39:28,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:28,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442138921] [2024-11-13 23:39:28,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442138921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:28,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:28,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:39:28,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799326031] [2024-11-13 23:39:28,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:28,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:39:28,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:28,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:39:28,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:28,535 INFO L87 Difference]: Start difference. First operand 197 states and 242 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:28,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:28,696 INFO L93 Difference]: Finished difference Result 223 states and 242 transitions. [2024-11-13 23:39:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:39:28,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-13 23:39:28,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:28,699 INFO L225 Difference]: With dead ends: 223 [2024-11-13 23:39:28,699 INFO L226 Difference]: Without dead ends: 221 [2024-11-13 23:39:28,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:28,703 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 61 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:28,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 264 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-13 23:39:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2024-11-13 23:39:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 128 states have (on average 1.71875) internal successors, (220), 183 states have internal predecessors, (220), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 23:39:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 240 transitions. [2024-11-13 23:39:28,718 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 240 transitions. Word has length 23 [2024-11-13 23:39:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:28,718 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 240 transitions. [2024-11-13 23:39:28,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 240 transitions. [2024-11-13 23:39:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:39:28,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:28,720 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:28,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:28,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:28,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:28,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash 649451552, now seen corresponding path program 1 times [2024-11-13 23:39:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:28,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097915841] [2024-11-13 23:39:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:28,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672604471] [2024-11-13 23:39:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:28,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:28,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:28,937 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 23:39:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:28,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:39:28,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:29,011 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 23:39:29,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:29,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:29,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097915841] [2024-11-13 23:39:29,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:29,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672604471] [2024-11-13 23:39:29,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672604471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:29,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:29,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:39:29,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275823213] [2024-11-13 23:39:29,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:29,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:39:29,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:29,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:39:29,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:29,013 INFO L87 Difference]: Start difference. First operand 197 states and 240 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:29,157 INFO L93 Difference]: Finished difference Result 322 states and 412 transitions. [2024-11-13 23:39:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:39:29,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-13 23:39:29,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:29,160 INFO L225 Difference]: With dead ends: 322 [2024-11-13 23:39:29,160 INFO L226 Difference]: Without dead ends: 316 [2024-11-13 23:39:29,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:29,161 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 65 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:29,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 229 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-13 23:39:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 280. [2024-11-13 23:39:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.7142857142857142) internal successors, (348), 258 states have internal predecessors, (348), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 384 transitions. [2024-11-13 23:39:29,188 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 384 transitions. Word has length 24 [2024-11-13 23:39:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:29,189 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 384 transitions. [2024-11-13 23:39:29,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 384 transitions. [2024-11-13 23:39:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:39:29,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:29,191 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:29,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 23:39:29,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:29,392 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:29,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash 874260757, now seen corresponding path program 1 times [2024-11-13 23:39:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407959281] [2024-11-13 23:39:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:29,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551911000] [2024-11-13 23:39:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:29,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:29,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:29,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 23:39:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:29,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:29,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:29,586 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 23:39:29,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:29,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:29,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407959281] [2024-11-13 23:39:29,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:29,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551911000] [2024-11-13 23:39:29,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551911000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:29,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:29,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:29,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058340238] [2024-11-13 23:39:29,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:29,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:29,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:29,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:29,589 INFO L87 Difference]: Start difference. First operand 280 states and 384 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:29,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:29,931 INFO L93 Difference]: Finished difference Result 301 states and 384 transitions. [2024-11-13 23:39:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-13 23:39:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:29,934 INFO L225 Difference]: With dead ends: 301 [2024-11-13 23:39:29,934 INFO L226 Difference]: Without dead ends: 300 [2024-11-13 23:39:29,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:29,935 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 198 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:29,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:29,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-13 23:39:29,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2024-11-13 23:39:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.7044334975369457) internal successors, (346), 258 states have internal predecessors, (346), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 382 transitions. [2024-11-13 23:39:29,962 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 382 transitions. Word has length 25 [2024-11-13 23:39:29,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:29,963 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 382 transitions. [2024-11-13 23:39:29,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 382 transitions. [2024-11-13 23:39:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:39:29,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:29,964 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:29,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 23:39:30,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:30,170 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:30,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1352688930, now seen corresponding path program 1 times [2024-11-13 23:39:30,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:30,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764320132] [2024-11-13 23:39:30,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:30,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:30,425 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 23:39:30,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764320132] [2024-11-13 23:39:30,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764320132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:30,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:30,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:39:30,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719083465] [2024-11-13 23:39:30,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:30,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:30,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:30,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:30,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:30,428 INFO L87 Difference]: Start difference. First operand 280 states and 382 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:30,898 INFO L93 Difference]: Finished difference Result 312 states and 392 transitions. [2024-11-13 23:39:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:30,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-13 23:39:30,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:30,902 INFO L225 Difference]: With dead ends: 312 [2024-11-13 23:39:30,902 INFO L226 Difference]: Without dead ends: 311 [2024-11-13 23:39:30,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:30,903 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 64 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:30,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 403 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:39:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-13 23:39:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2024-11-13 23:39:30,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.6971153846153846) internal successors, (353), 263 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 389 transitions. [2024-11-13 23:39:30,929 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 389 transitions. Word has length 26 [2024-11-13 23:39:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:30,929 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 389 transitions. [2024-11-13 23:39:30,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 389 transitions. [2024-11-13 23:39:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:39:30,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:30,930 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:30,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 23:39:30,930 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:30,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:30,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1332279783, now seen corresponding path program 1 times [2024-11-13 23:39:30,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:30,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7140591] [2024-11-13 23:39:30,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:30,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:30,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869303849] [2024-11-13 23:39:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:30,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:30,952 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:30,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:39:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:30,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:31,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:31,106 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 23:39:31,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:31,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:31,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7140591] [2024-11-13 23:39:31,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:31,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869303849] [2024-11-13 23:39:31,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869303849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:31,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:31,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:31,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26568300] [2024-11-13 23:39:31,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:31,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:31,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:31,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:31,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:31,109 INFO L87 Difference]: Start difference. First operand 285 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:31,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:31,342 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-13 23:39:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:31,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-13 23:39:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:31,345 INFO L225 Difference]: With dead ends: 306 [2024-11-13 23:39:31,345 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 23:39:31,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:31,348 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 160 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:31,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 220 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:39:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 23:39:31,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-13 23:39:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.6875) internal successors, (351), 263 states have internal predecessors, (351), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 387 transitions. [2024-11-13 23:39:31,367 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 387 transitions. Word has length 26 [2024-11-13 23:39:31,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:31,367 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 387 transitions. [2024-11-13 23:39:31,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 387 transitions. [2024-11-13 23:39:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:39:31,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:31,369 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:31,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 23:39:31,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 23:39:31,570 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:31,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1016315958, now seen corresponding path program 1 times [2024-11-13 23:39:31,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:31,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112954718] [2024-11-13 23:39:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:31,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511119391] [2024-11-13 23:39:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:31,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:31,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:31,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:31,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 23:39:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:31,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:39:31,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:31,727 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 23:39:31,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:31,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:31,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112954718] [2024-11-13 23:39:31,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:31,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511119391] [2024-11-13 23:39:31,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511119391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:31,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:31,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:39:31,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241459834] [2024-11-13 23:39:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:31,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:31,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:31,730 INFO L87 Difference]: Start difference. First operand 285 states and 387 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:32,123 INFO L93 Difference]: Finished difference Result 329 states and 398 transitions. [2024-11-13 23:39:32,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:32,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-13 23:39:32,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:32,126 INFO L225 Difference]: With dead ends: 329 [2024-11-13 23:39:32,126 INFO L226 Difference]: Without dead ends: 328 [2024-11-13 23:39:32,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:32,127 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 173 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:32,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 406 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:32,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-13 23:39:32,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2024-11-13 23:39:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.680952380952381) internal successors, (353), 265 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 389 transitions. [2024-11-13 23:39:32,148 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 389 transitions. Word has length 27 [2024-11-13 23:39:32,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:32,149 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 389 transitions. [2024-11-13 23:39:32,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 389 transitions. [2024-11-13 23:39:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:39:32,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:32,150 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:32,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 23:39:32,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 23:39:32,351 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:32,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:32,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1648999593, now seen corresponding path program 1 times [2024-11-13 23:39:32,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:32,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594811703] [2024-11-13 23:39:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:32,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053670798] [2024-11-13 23:39:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:32,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:32,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:32,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 23:39:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:32,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:32,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:32,482 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 23:39:32,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:32,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:32,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594811703] [2024-11-13 23:39:32,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:32,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053670798] [2024-11-13 23:39:32,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053670798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:32,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:32,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:32,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372701272] [2024-11-13 23:39:32,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:32,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:32,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:32,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:32,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:32,487 INFO L87 Difference]: Start difference. First operand 287 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:32,934 INFO L93 Difference]: Finished difference Result 313 states and 392 transitions. [2024-11-13 23:39:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:32,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-13 23:39:32,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:32,936 INFO L225 Difference]: With dead ends: 313 [2024-11-13 23:39:32,936 INFO L226 Difference]: Without dead ends: 312 [2024-11-13 23:39:32,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:32,937 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 115 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:32,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 288 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-13 23:39:32,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2024-11-13 23:39:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.6714285714285715) internal successors, (351), 265 states have internal predecessors, (351), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 387 transitions. [2024-11-13 23:39:32,954 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 387 transitions. Word has length 27 [2024-11-13 23:39:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:32,954 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 387 transitions. [2024-11-13 23:39:32,955 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 387 transitions. [2024-11-13 23:39:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:39:32,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:32,955 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:32,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 23:39:33,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 23:39:33,156 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:33,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:33,156 INFO L85 PathProgramCache]: Analyzing trace with hash 420620265, now seen corresponding path program 1 times [2024-11-13 23:39:33,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:33,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328768547] [2024-11-13 23:39:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:33,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539089084] [2024-11-13 23:39:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:33,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:33,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:33,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:33,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 23:39:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:33,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:33,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:33,286 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 23:39:33,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:33,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328768547] [2024-11-13 23:39:33,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539089084] [2024-11-13 23:39:33,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539089084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:33,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:33,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:33,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242378597] [2024-11-13 23:39:33,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:33,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:33,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:33,288 INFO L87 Difference]: Start difference. First operand 287 states and 387 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:33,696 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2024-11-13 23:39:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:33,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-13 23:39:33,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:33,699 INFO L225 Difference]: With dead ends: 314 [2024-11-13 23:39:33,699 INFO L226 Difference]: Without dead ends: 313 [2024-11-13 23:39:33,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:33,700 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 114 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:33,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 290 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:33,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-13 23:39:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2024-11-13 23:39:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.661904761904762) internal successors, (349), 265 states have internal predecessors, (349), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 385 transitions. [2024-11-13 23:39:33,719 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 385 transitions. Word has length 28 [2024-11-13 23:39:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:33,720 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 385 transitions. [2024-11-13 23:39:33,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 385 transitions. [2024-11-13 23:39:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:39:33,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:33,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:33,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:33,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 23:39:33,922 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:33,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1722058196, now seen corresponding path program 1 times [2024-11-13 23:39:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202320205] [2024-11-13 23:39:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:34,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:34,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202320205] [2024-11-13 23:39:34,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202320205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:34,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112801997] [2024-11-13 23:39:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:34,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:34,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:34,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:34,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 23:39:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:34,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:39:34,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:34,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:34,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112801997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:34,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:34,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-13 23:39:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950711875] [2024-11-13 23:39:34,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:34,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:39:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:34,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:39:34,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:39:34,194 INFO L87 Difference]: Start difference. First operand 287 states and 385 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:34,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:34,325 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2024-11-13 23:39:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 23:39:34,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-13 23:39:34,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:34,327 INFO L225 Difference]: With dead ends: 339 [2024-11-13 23:39:34,327 INFO L226 Difference]: Without dead ends: 337 [2024-11-13 23:39:34,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-13 23:39:34,328 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 138 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:34,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 505 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-13 23:39:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 291. [2024-11-13 23:39:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 214 states have (on average 1.6542056074766356) internal successors, (354), 269 states have internal predecessors, (354), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 390 transitions. [2024-11-13 23:39:34,347 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 390 transitions. Word has length 29 [2024-11-13 23:39:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:34,347 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 390 transitions. [2024-11-13 23:39:34,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 390 transitions. [2024-11-13 23:39:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:39:34,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:34,348 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:34,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 23:39:34,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:34,549 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:34,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:34,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1844196481, now seen corresponding path program 1 times [2024-11-13 23:39:34,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:34,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239690837] [2024-11-13 23:39:34,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:34,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:34,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:34,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239690837] [2024-11-13 23:39:34,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239690837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:34,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821378882] [2024-11-13 23:39:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:34,681 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:34,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 23:39:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:34,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:39:34,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:34,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:34,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821378882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:34,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:34,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-13 23:39:34,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154563224] [2024-11-13 23:39:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:34,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:39:34,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:34,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:39:34,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:39:34,827 INFO L87 Difference]: Start difference. First operand 291 states and 390 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:34,973 INFO L93 Difference]: Finished difference Result 332 states and 426 transitions. [2024-11-13 23:39:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 23:39:34,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-13 23:39:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:34,975 INFO L225 Difference]: With dead ends: 332 [2024-11-13 23:39:34,975 INFO L226 Difference]: Without dead ends: 330 [2024-11-13 23:39:34,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-13 23:39:34,976 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 90 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:34,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 749 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-13 23:39:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 292. [2024-11-13 23:39:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 215 states have (on average 1.6465116279069767) internal successors, (354), 270 states have internal predecessors, (354), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2024-11-13 23:39:34,993 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 30 [2024-11-13 23:39:34,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:34,993 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2024-11-13 23:39:34,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2024-11-13 23:39:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:39:34,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:34,994 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:35,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 23:39:35,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:35,195 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:35,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:35,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1548676610, now seen corresponding path program 1 times [2024-11-13 23:39:35,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:35,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047405461] [2024-11-13 23:39:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:35,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:35,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047405461] [2024-11-13 23:39:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047405461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:35,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218420494] [2024-11-13 23:39:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:35,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:35,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:35,313 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:35,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 23:39:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:35,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:35,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:35,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:35,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218420494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:39:35,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525307244] [2024-11-13 23:39:35,582 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2024-11-13 23:39:35,582 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:35,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:35,590 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:35,590 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:37,239 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:39:37,272 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1525307244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:41,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:39:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [9, 7, 8] total 33 [2024-11-13 23:39:41,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331409406] [2024-11-13 23:39:41,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:41,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 23:39:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:41,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 23:39:41,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=859, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 23:39:41,885 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:44,074 INFO L93 Difference]: Finished difference Result 494 states and 644 transitions. [2024-11-13 23:39:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 23:39:44,075 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2024-11-13 23:39:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:44,076 INFO L225 Difference]: With dead ends: 494 [2024-11-13 23:39:44,076 INFO L226 Difference]: Without dead ends: 316 [2024-11-13 23:39:44,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=231, Invalid=959, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 23:39:44,078 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 11 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:44,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 575 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 23:39:44,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-13 23:39:44,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 302. [2024-11-13 23:39:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 280 states have internal predecessors, (365), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-13 23:39:44,098 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 32 [2024-11-13 23:39:44,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:44,098 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-13 23:39:44,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-13 23:39:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:39:44,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:44,099 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:44,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 23:39:44,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:44,300 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:44,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:44,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1475137781, now seen corresponding path program 1 times [2024-11-13 23:39:44,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:44,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765399157] [2024-11-13 23:39:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:44,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443763404] [2024-11-13 23:39:44,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:44,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:44,315 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:44,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 23:39:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:44,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:44,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:44,477 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 23:39:44,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:44,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765399157] [2024-11-13 23:39:44,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443763404] [2024-11-13 23:39:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443763404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:44,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422001330] [2024-11-13 23:39:44,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:44,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:44,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:44,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:44,479 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:44,758 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2024-11-13 23:39:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:44,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-13 23:39:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:44,765 INFO L225 Difference]: With dead ends: 331 [2024-11-13 23:39:44,765 INFO L226 Difference]: Without dead ends: 330 [2024-11-13 23:39:44,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:44,768 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 200 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:44,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 210 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-13 23:39:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 302. [2024-11-13 23:39:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6133333333333333) internal successors, (363), 280 states have internal predecessors, (363), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-13 23:39:44,792 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 34 [2024-11-13 23:39:44,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:44,792 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-13 23:39:44,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-13 23:39:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:39:44,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:44,793 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:44,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 23:39:44,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:44,994 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:44,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:44,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1515368940, now seen corresponding path program 1 times [2024-11-13 23:39:44,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:44,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081445428] [2024-11-13 23:39:44,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:44,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:45,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075883175] [2024-11-13 23:39:45,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:45,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:45,013 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 23:39:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:45,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:45,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:45,168 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 23:39:45,169 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:45,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081445428] [2024-11-13 23:39:45,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075883175] [2024-11-13 23:39:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075883175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:45,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:45,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:45,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043256146] [2024-11-13 23:39:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:45,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:45,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:45,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:45,170 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:45,389 INFO L93 Difference]: Finished difference Result 331 states and 410 transitions. [2024-11-13 23:39:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:45,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-13 23:39:45,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:45,392 INFO L225 Difference]: With dead ends: 331 [2024-11-13 23:39:45,392 INFO L226 Difference]: Without dead ends: 330 [2024-11-13 23:39:45,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:45,393 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 198 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:45,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 210 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:39:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-13 23:39:45,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 302. [2024-11-13 23:39:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6044444444444443) internal successors, (361), 280 states have internal predecessors, (361), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 397 transitions. [2024-11-13 23:39:45,418 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 397 transitions. Word has length 35 [2024-11-13 23:39:45,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:45,418 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 397 transitions. [2024-11-13 23:39:45,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2024-11-13 23:39:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:39:45,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:45,419 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:45,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:45,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 23:39:45,620 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:45,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 268203223, now seen corresponding path program 1 times [2024-11-13 23:39:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:45,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689959979] [2024-11-13 23:39:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:45,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879389690] [2024-11-13 23:39:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:45,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:45,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:45,637 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:45,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 23:39:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:45,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:45,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:45,757 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 23:39:45,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:45,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689959979] [2024-11-13 23:39:45,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879389690] [2024-11-13 23:39:45,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879389690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:45,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:45,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682285161] [2024-11-13 23:39:45,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:45,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:45,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:45,759 INFO L87 Difference]: Start difference. First operand 302 states and 397 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:46,279 INFO L93 Difference]: Finished difference Result 336 states and 413 transitions. [2024-11-13 23:39:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:46,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-13 23:39:46,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:46,281 INFO L225 Difference]: With dead ends: 336 [2024-11-13 23:39:46,281 INFO L226 Difference]: Without dead ends: 335 [2024-11-13 23:39:46,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:46,282 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 107 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:46,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 282 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:39:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-13 23:39:46,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-13 23:39:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 280 states have internal predecessors, (359), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-13 23:39:46,306 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 36 [2024-11-13 23:39:46,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:46,306 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-13 23:39:46,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-13 23:39:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:39:46,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:46,307 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:46,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 23:39:46,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 23:39:46,509 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:46,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:46,509 INFO L85 PathProgramCache]: Analyzing trace with hash -275634570, now seen corresponding path program 1 times [2024-11-13 23:39:46,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:46,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600371979] [2024-11-13 23:39:46,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:46,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:46,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690438086] [2024-11-13 23:39:46,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:46,533 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:46,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 23:39:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:46,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:39:46,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:46,723 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 23:39:46,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:46,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:46,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600371979] [2024-11-13 23:39:46,723 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:46,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690438086] [2024-11-13 23:39:46,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690438086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:46,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:46,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:46,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900243131] [2024-11-13 23:39:46,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:46,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:46,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:46,725 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:47,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:47,201 INFO L93 Difference]: Finished difference Result 337 states and 412 transitions. [2024-11-13 23:39:47,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:47,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-13 23:39:47,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:47,203 INFO L225 Difference]: With dead ends: 337 [2024-11-13 23:39:47,203 INFO L226 Difference]: Without dead ends: 336 [2024-11-13 23:39:47,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:47,204 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 106 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:47,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 284 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:39:47,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-13 23:39:47,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 302. [2024-11-13 23:39:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 280 states have internal predecessors, (357), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 393 transitions. [2024-11-13 23:39:47,230 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 393 transitions. Word has length 37 [2024-11-13 23:39:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:47,231 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 393 transitions. [2024-11-13 23:39:47,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 23:39:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 393 transitions. [2024-11-13 23:39:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:39:47,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:47,232 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:47,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:47,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 23:39:47,437 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:47,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:47,437 INFO L85 PathProgramCache]: Analyzing trace with hash -28403202, now seen corresponding path program 1 times [2024-11-13 23:39:47,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:47,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494837304] [2024-11-13 23:39:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:47,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:47,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:47,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494837304] [2024-11-13 23:39:47,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494837304] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:47,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307150542] [2024-11-13 23:39:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:47,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:47,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:47,617 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:47,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 23:39:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:47,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:39:47,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:47,808 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:47,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307150542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:47,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:47,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-13 23:39:47,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398535319] [2024-11-13 23:39:47,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:47,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 23:39:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:47,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 23:39:47,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-13 23:39:47,810 INFO L87 Difference]: Start difference. First operand 302 states and 393 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:47,996 INFO L93 Difference]: Finished difference Result 302 states and 393 transitions. [2024-11-13 23:39:47,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 23:39:47,996 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-13 23:39:47,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:47,998 INFO L225 Difference]: With dead ends: 302 [2024-11-13 23:39:47,998 INFO L226 Difference]: Without dead ends: 299 [2024-11-13 23:39:47,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2024-11-13 23:39:47,999 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 338 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:47,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 624 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-13 23:39:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-13 23:39:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 225 states have (on average 1.568888888888889) internal successors, (353), 277 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 389 transitions. [2024-11-13 23:39:48,021 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 389 transitions. Word has length 39 [2024-11-13 23:39:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:48,021 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 389 transitions. [2024-11-13 23:39:48,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 23:39:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 389 transitions. [2024-11-13 23:39:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:39:48,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:48,022 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:48,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 23:39:48,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 23:39:48,229 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:48,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:48,231 INFO L85 PathProgramCache]: Analyzing trace with hash -880499183, now seen corresponding path program 1 times [2024-11-13 23:39:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681072000] [2024-11-13 23:39:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:48,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681072000] [2024-11-13 23:39:48,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681072000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727143242] [2024-11-13 23:39:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:48,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:48,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:48,412 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:48,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 23:39:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:48,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:39:48,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:48,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:48,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727143242] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:39:48,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1908684282] [2024-11-13 23:39:48,868 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-13 23:39:48,868 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:48,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:48,868 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:48,868 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:49,813 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:39:49,828 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:54,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1908684282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:54,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:39:54,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [12, 10, 10] total 48 [2024-11-13 23:39:54,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278881227] [2024-11-13 23:39:54,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:54,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 23:39:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 23:39:54,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=1879, Unknown=0, NotChecked=0, Total=2352 [2024-11-13 23:39:54,347 INFO L87 Difference]: Start difference. First operand 299 states and 389 transitions. Second operand has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:57,458 INFO L93 Difference]: Finished difference Result 303 states and 393 transitions. [2024-11-13 23:39:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 23:39:57,459 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-13 23:39:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:57,460 INFO L225 Difference]: With dead ends: 303 [2024-11-13 23:39:57,460 INFO L226 Difference]: Without dead ends: 302 [2024-11-13 23:39:57,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=554, Invalid=2202, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 23:39:57,462 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 6 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:57,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 806 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 23:39:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-13 23:39:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-13 23:39:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 228 states have (on average 1.5614035087719298) internal successors, (356), 280 states have internal predecessors, (356), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2024-11-13 23:39:57,485 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 40 [2024-11-13 23:39:57,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:57,485 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2024-11-13 23:39:57,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2024-11-13 23:39:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:39:57,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:57,486 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:57,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:57,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 23:39:57,687 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:57,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1473266133, now seen corresponding path program 1 times [2024-11-13 23:39:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:57,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945414060] [2024-11-13 23:39:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:57,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:39:57,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:57,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945414060] [2024-11-13 23:39:57,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945414060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:57,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345800120] [2024-11-13 23:39:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:57,814 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 23:39:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:57,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:39:57,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:39:58,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:58,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345800120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:58,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:58,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-13 23:39:58,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100410243] [2024-11-13 23:39:58,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:58,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:58,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:58,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:58,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 23:39:58,012 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 23:39:58,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:58,718 INFO L93 Difference]: Finished difference Result 333 states and 397 transitions. [2024-11-13 23:39:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:58,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-13 23:39:58,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:58,721 INFO L225 Difference]: With dead ends: 333 [2024-11-13 23:39:58,721 INFO L226 Difference]: Without dead ends: 332 [2024-11-13 23:39:58,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-13 23:39:58,722 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 294 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:58,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 305 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:39:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-13 23:39:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2024-11-13 23:39:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 228 states have (on average 1.5570175438596492) internal successors, (355), 280 states have internal predecessors, (355), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:39:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-13 23:39:58,747 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 43 [2024-11-13 23:39:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:58,747 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-13 23:39:58,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 23:39:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-13 23:39:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:39:58,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:58,748 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:58,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 23:39:58,949 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:39:58,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:58,950 INFO L85 PathProgramCache]: Analyzing trace with hash -51154863, now seen corresponding path program 1 times [2024-11-13 23:39:58,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:58,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265668827] [2024-11-13 23:39:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:59,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:59,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265668827] [2024-11-13 23:39:59,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265668827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:59,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089625632] [2024-11-13 23:39:59,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:59,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:59,107 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 23:39:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:59,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:39:59,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:59,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:39:59,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089625632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:39:59,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [119493072] [2024-11-13 23:39:59,445 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:39:59,445 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:59,446 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:59,446 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:59,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:00,619 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:40:00,633 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:05,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [119493072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:05,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:40:05,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [13, 11, 12] total 44 [2024-11-13 23:40:05,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434390316] [2024-11-13 23:40:05,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:05,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 23:40:05,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:05,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 23:40:05,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1541, Unknown=0, NotChecked=0, Total=1892 [2024-11-13 23:40:05,330 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:07,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:07,989 INFO L93 Difference]: Finished difference Result 478 states and 611 transitions. [2024-11-13 23:40:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 23:40:07,993 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-13 23:40:07,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:07,995 INFO L225 Difference]: With dead ends: 478 [2024-11-13 23:40:07,995 INFO L226 Difference]: Without dead ends: 303 [2024-11-13 23:40:07,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 88 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 23:40:07,996 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 9 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:07,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 542 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 23:40:08,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-13 23:40:08,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-11-13 23:40:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 229 states have (on average 1.554585152838428) internal successors, (356), 281 states have internal predecessors, (356), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 23:40:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 392 transitions. [2024-11-13 23:40:08,031 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 392 transitions. Word has length 42 [2024-11-13 23:40:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:08,031 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 392 transitions. [2024-11-13 23:40:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 392 transitions. [2024-11-13 23:40:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:40:08,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:08,032 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:08,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 23:40:08,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 23:40:08,237 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:08,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:08,237 INFO L85 PathProgramCache]: Analyzing trace with hash -51154861, now seen corresponding path program 1 times [2024-11-13 23:40:08,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:08,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620434409] [2024-11-13 23:40:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:08,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:40:08,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1950035829] [2024-11-13 23:40:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:08,254 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:08,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 23:40:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:08,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:40:08,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:40:08,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:40:08,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:08,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620434409] [2024-11-13 23:40:08,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:40:08,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950035829] [2024-11-13 23:40:08,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950035829] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:40:08,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1739292708] [2024-11-13 23:40:08,787 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:40:08,787 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:08,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:08,787 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:08,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:09,475 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:40:09,483 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:14,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1739292708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:14,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:40:14,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [6, 5] total 29 [2024-11-13 23:40:14,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486387092] [2024-11-13 23:40:14,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:14,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 23:40:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:14,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 23:40:14,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2024-11-13 23:40:14,044 INFO L87 Difference]: Start difference. First operand 303 states and 392 transitions. Second operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:17,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:17,360 INFO L93 Difference]: Finished difference Result 383 states and 491 transitions. [2024-11-13 23:40:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 23:40:17,360 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-13 23:40:17,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:17,362 INFO L225 Difference]: With dead ends: 383 [2024-11-13 23:40:17,362 INFO L226 Difference]: Without dead ends: 361 [2024-11-13 23:40:17,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 89 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=212, Invalid=910, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:40:17,363 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 33 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:17,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 473 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 23:40:17,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-13 23:40:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-13 23:40:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 279 states have (on average 1.4623655913978495) internal successors, (408), 331 states have internal predecessors, (408), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 23:40:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 460 transitions. [2024-11-13 23:40:17,394 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 460 transitions. Word has length 42 [2024-11-13 23:40:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:17,394 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 460 transitions. [2024-11-13 23:40:17,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 460 transitions. [2024-11-13 23:40:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:40:17,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:17,395 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:17,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 23:40:17,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:17,596 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:17,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:17,596 INFO L85 PathProgramCache]: Analyzing trace with hash -436307296, now seen corresponding path program 1 times [2024-11-13 23:40:17,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:17,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43964743] [2024-11-13 23:40:17,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:17,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:17,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:17,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43964743] [2024-11-13 23:40:17,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43964743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:17,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:17,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:40:17,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574222488] [2024-11-13 23:40:17,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:17,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:40:17,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:17,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:40:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:40:17,666 INFO L87 Difference]: Start difference. First operand 361 states and 460 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:17,914 INFO L93 Difference]: Finished difference Result 450 states and 546 transitions. [2024-11-13 23:40:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:40:17,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-11-13 23:40:17,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:17,916 INFO L225 Difference]: With dead ends: 450 [2024-11-13 23:40:17,916 INFO L226 Difference]: Without dead ends: 446 [2024-11-13 23:40:17,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:40:17,917 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 104 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:17,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 287 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:40:17,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-13 23:40:17,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 396. [2024-11-13 23:40:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 310 states have (on average 1.4903225806451612) internal successors, (462), 362 states have internal predecessors, (462), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 23:40:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 522 transitions. [2024-11-13 23:40:17,951 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 522 transitions. Word has length 58 [2024-11-13 23:40:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:17,952 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 522 transitions. [2024-11-13 23:40:17,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 522 transitions. [2024-11-13 23:40:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:40:17,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:17,953 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:17,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 23:40:17,953 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:17,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:17,953 INFO L85 PathProgramCache]: Analyzing trace with hash -436258637, now seen corresponding path program 1 times [2024-11-13 23:40:17,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:17,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918409608] [2024-11-13 23:40:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:17,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918409608] [2024-11-13 23:40:17,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918409608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:17,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:17,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:17,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911350720] [2024-11-13 23:40:17,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:17,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:17,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:17,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:17,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:17,986 INFO L87 Difference]: Start difference. First operand 396 states and 522 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 23:40:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:18,050 INFO L93 Difference]: Finished difference Result 402 states and 534 transitions. [2024-11-13 23:40:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:18,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2024-11-13 23:40:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:18,052 INFO L225 Difference]: With dead ends: 402 [2024-11-13 23:40:18,052 INFO L226 Difference]: Without dead ends: 401 [2024-11-13 23:40:18,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:18,053 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 5 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:18,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-13 23:40:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2024-11-13 23:40:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 310 states have (on average 1.4774193548387098) internal successors, (458), 361 states have internal predecessors, (458), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 23:40:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2024-11-13 23:40:18,087 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 58 [2024-11-13 23:40:18,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:18,087 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2024-11-13 23:40:18,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 23:40:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2024-11-13 23:40:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 23:40:18,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:18,088 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:18,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 23:40:18,088 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:18,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:18,089 INFO L85 PathProgramCache]: Analyzing trace with hash -639115718, now seen corresponding path program 1 times [2024-11-13 23:40:18,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:18,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326772748] [2024-11-13 23:40:18,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:18,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:18,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326772748] [2024-11-13 23:40:18,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326772748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:18,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:18,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:40:18,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424755106] [2024-11-13 23:40:18,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:18,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:40:18,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:18,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:40:18,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:18,120 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 23:40:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:18,176 INFO L93 Difference]: Finished difference Result 401 states and 530 transitions. [2024-11-13 23:40:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:40:18,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2024-11-13 23:40:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:18,178 INFO L225 Difference]: With dead ends: 401 [2024-11-13 23:40:18,178 INFO L226 Difference]: Without dead ends: 400 [2024-11-13 23:40:18,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:40:18,179 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 4 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:18,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:40:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-13 23:40:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2024-11-13 23:40:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 310 states have (on average 1.4645161290322581) internal successors, (454), 360 states have internal predecessors, (454), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 23:40:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 514 transitions. [2024-11-13 23:40:18,210 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 514 transitions. Word has length 59 [2024-11-13 23:40:18,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:18,211 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 514 transitions. [2024-11-13 23:40:18,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 23:40:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 514 transitions. [2024-11-13 23:40:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 23:40:18,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:18,212 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:18,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 23:40:18,212 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:18,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:18,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2001084515, now seen corresponding path program 1 times [2024-11-13 23:40:18,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:18,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104646811] [2024-11-13 23:40:18,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:18,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:18,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:18,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104646811] [2024-11-13 23:40:18,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104646811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:18,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240410218] [2024-11-13 23:40:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:18,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:18,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:18,366 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 23:40:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:18,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:40:18,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:18,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:18,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240410218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:40:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [668593926] [2024-11-13 23:40:18,779 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-13 23:40:18,779 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:18,779 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:18,780 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:18,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:21,283 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 46 for LOIs [2024-11-13 23:40:21,291 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:40:21,305 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:32,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [668593926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:32,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:40:32,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [10, 8, 8] total 66 [2024-11-13 23:40:32,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956144049] [2024-11-13 23:40:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:32,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-13 23:40:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-13 23:40:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=3526, Unknown=0, NotChecked=0, Total=4422 [2024-11-13 23:40:32,328 INFO L87 Difference]: Start difference. First operand 394 states and 514 transitions. Second operand has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:40:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:35,422 INFO L93 Difference]: Finished difference Result 696 states and 906 transitions. [2024-11-13 23:40:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 23:40:35,423 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 62 [2024-11-13 23:40:35,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:35,424 INFO L225 Difference]: With dead ends: 696 [2024-11-13 23:40:35,424 INFO L226 Difference]: Without dead ends: 480 [2024-11-13 23:40:35,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2134 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=972, Invalid=3858, Unknown=0, NotChecked=0, Total=4830 [2024-11-13 23:40:35,425 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 66 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:35,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 850 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 23:40:35,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-13 23:40:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2024-11-13 23:40:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 343 states have (on average 1.4402332361516035) internal successors, (494), 393 states have internal predecessors, (494), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 23:40:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 562 transitions. [2024-11-13 23:40:35,466 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 562 transitions. Word has length 62 [2024-11-13 23:40:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:35,466 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 562 transitions. [2024-11-13 23:40:35,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:40:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 562 transitions. [2024-11-13 23:40:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 23:40:35,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:35,467 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:35,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 23:40:35,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:35,668 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:35,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:35,668 INFO L85 PathProgramCache]: Analyzing trace with hash -306257229, now seen corresponding path program 1 times [2024-11-13 23:40:35,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:35,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549050006] [2024-11-13 23:40:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:35,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:35,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549050006] [2024-11-13 23:40:35,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549050006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:35,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416381334] [2024-11-13 23:40:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:35,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:35,824 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:35,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 23:40:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:35,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:40:35,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:36,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:36,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416381334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:40:36,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [85127063] [2024-11-13 23:40:36,228 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-13 23:40:36,228 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:36,228 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:36,228 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:36,228 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:44,031 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-13 23:40:44,032 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:40:44,041 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:55,010 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '26356#(and (<= 2 |ULTIMATE.start_main_~x~0#1|) (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (= (mod |ULTIMATE.start_main_~v~0#1| 2) 0) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 4294967294 (div (* (- 1) |ULTIMATE.start_main_~v~0#1|) 2))) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= (+ (div (* (- 1) |ULTIMATE.start_main_~v~0#1|) 2) 1) 0) (<= 2147483647 ~counter~0) (= |ULTIMATE.start_main_~k~0#1| 0) (<= |ULTIMATE.start_main_~b~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 2 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~s~0#1| 1))' at error location [2024-11-13 23:40:55,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:40:55,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:40:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-13 23:40:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503846064] [2024-11-13 23:40:55,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:40:55,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 23:40:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:55,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 23:40:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=2479, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 23:40:55,012 INFO L87 Difference]: Start difference. First operand 432 states and 562 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 23:40:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:55,927 INFO L93 Difference]: Finished difference Result 1377 states and 1752 transitions. [2024-11-13 23:40:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-13 23:40:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 62 [2024-11-13 23:40:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:55,931 INFO L225 Difference]: With dead ends: 1377 [2024-11-13 23:40:55,931 INFO L226 Difference]: Without dead ends: 1117 [2024-11-13 23:40:55,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 123 SyntacticMatches, 18 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3091 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=894, Invalid=5426, Unknown=0, NotChecked=0, Total=6320 [2024-11-13 23:40:55,934 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 678 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:55,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 1717 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:40:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-13 23:40:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 905. [2024-11-13 23:40:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 758 states have (on average 1.4234828496042216) internal successors, (1079), 808 states have internal predecessors, (1079), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 23:40:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1243 transitions. [2024-11-13 23:40:56,024 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1243 transitions. Word has length 62 [2024-11-13 23:40:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:56,025 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1243 transitions. [2024-11-13 23:40:56,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 23:40:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1243 transitions. [2024-11-13 23:40:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 23:40:56,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:56,026 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:56,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 23:40:56,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 23:40:56,227 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:56,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:56,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1618127749, now seen corresponding path program 1 times [2024-11-13 23:40:56,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:56,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689052121] [2024-11-13 23:40:56,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:56,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:56,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:56,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689052121] [2024-11-13 23:40:56,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689052121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:56,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474887882] [2024-11-13 23:40:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:56,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:56,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:56,410 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:56,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 23:40:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:56,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:40:56,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:56,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:40:56,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474887882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:56,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:40:56,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-11-13 23:40:56,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562556377] [2024-11-13 23:40:56,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:56,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:40:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:56,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:40:56,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-13 23:40:56,575 INFO L87 Difference]: Start difference. First operand 905 states and 1243 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:56,928 INFO L93 Difference]: Finished difference Result 1533 states and 2156 transitions. [2024-11-13 23:40:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:40:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2024-11-13 23:40:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:56,932 INFO L225 Difference]: With dead ends: 1533 [2024-11-13 23:40:56,932 INFO L226 Difference]: Without dead ends: 950 [2024-11-13 23:40:56,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-13 23:40:56,934 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 25 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:56,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 375 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:40:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-13 23:40:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 906. [2024-11-13 23:40:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 762 states have (on average 1.4750656167979002) internal successors, (1124), 812 states have internal predecessors, (1124), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 23:40:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1288 transitions. [2024-11-13 23:40:57,015 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1288 transitions. Word has length 69 [2024-11-13 23:40:57,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:57,016 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1288 transitions. [2024-11-13 23:40:57,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1288 transitions. [2024-11-13 23:40:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 23:40:57,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:57,017 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:57,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 23:40:57,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 23:40:57,218 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:57,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:57,218 INFO L85 PathProgramCache]: Analyzing trace with hash -756397588, now seen corresponding path program 1 times [2024-11-13 23:40:57,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:57,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765347980] [2024-11-13 23:40:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:40:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2085662564] [2024-11-13 23:40:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:57,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:57,237 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:57,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 23:40:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:57,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:40:57,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:57,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:40:57,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:57,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765347980] [2024-11-13 23:40:57,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:40:57,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085662564] [2024-11-13 23:40:57,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085662564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:57,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:40:57,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:40:57,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940937927] [2024-11-13 23:40:57,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:57,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:40:57,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:57,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:40:57,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:40:57,513 INFO L87 Difference]: Start difference. First operand 906 states and 1288 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:57,944 INFO L93 Difference]: Finished difference Result 949 states and 1315 transitions. [2024-11-13 23:40:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:40:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2024-11-13 23:40:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:57,948 INFO L225 Difference]: With dead ends: 949 [2024-11-13 23:40:57,948 INFO L226 Difference]: Without dead ends: 946 [2024-11-13 23:40:57,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:40:57,949 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 90 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:57,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 408 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:40:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-13 23:40:58,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 906. [2024-11-13 23:40:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 762 states have (on average 1.4553805774278215) internal successors, (1109), 812 states have internal predecessors, (1109), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 23:40:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1273 transitions. [2024-11-13 23:40:58,027 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1273 transitions. Word has length 70 [2024-11-13 23:40:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:58,028 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1273 transitions. [2024-11-13 23:40:58,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:40:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1273 transitions. [2024-11-13 23:40:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 23:40:58,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:58,029 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:58,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 23:40:58,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 23:40:58,230 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:40:58,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1973488580, now seen corresponding path program 1 times [2024-11-13 23:40:58,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61256360] [2024-11-13 23:40:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:58,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:40:58,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768377662] [2024-11-13 23:40:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:58,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:58,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:58,262 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 23:40:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:58,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:40:58,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:40:58,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:59,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:59,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61256360] [2024-11-13 23:40:59,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:40:59,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768377662] [2024-11-13 23:40:59,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768377662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:59,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [810282517] [2024-11-13 23:40:59,075 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-13 23:40:59,076 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:59,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:59,076 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:59,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:41:01,339 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 for LOIs [2024-11-13 23:41:01,344 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:41:01,352 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:41:07,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [810282517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:41:07,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:41:07,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [5] total 33 [2024-11-13 23:41:07,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702387552] [2024-11-13 23:41:07,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:41:07,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 23:41:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:41:07,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 23:41:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1055, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 23:41:07,105 INFO L87 Difference]: Start difference. First operand 906 states and 1273 transitions. Second operand has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:41:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:41:10,738 INFO L93 Difference]: Finished difference Result 927 states and 1294 transitions. [2024-11-13 23:41:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 23:41:10,738 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 71 [2024-11-13 23:41:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:41:10,741 INFO L225 Difference]: With dead ends: 927 [2024-11-13 23:41:10,741 INFO L226 Difference]: Without dead ends: 925 [2024-11-13 23:41:10,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 121 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 23:41:10,742 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 35 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:41:10,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 490 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 23:41:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-13 23:41:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 916. [2024-11-13 23:41:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 772 states have (on average 1.4494818652849741) internal successors, (1119), 822 states have internal predecessors, (1119), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 23:41:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1283 transitions. [2024-11-13 23:41:10,816 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1283 transitions. Word has length 71 [2024-11-13 23:41:10,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:41:10,817 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1283 transitions. [2024-11-13 23:41:10,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:41:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1283 transitions. [2024-11-13 23:41:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 23:41:10,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:41:10,818 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:41:10,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-13 23:41:11,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 23:41:11,022 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 23:41:11,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:41:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash 250000459, now seen corresponding path program 1 times [2024-11-13 23:41:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:41:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390313480] [2024-11-13 23:41:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:41:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:41:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:41:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:41:11,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:41:11,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390313480] [2024-11-13 23:41:11,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390313480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:41:11,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260825087] [2024-11-13 23:41:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:41:11,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:41:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:41:11,216 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:41:11,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 23:41:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:41:11,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:41:11,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:41:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:41:11,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:41:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:41:11,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260825087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:41:11,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1577055097] [2024-11-13 23:41:11,721 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-13 23:41:11,722 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:41:11,722 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:41:11,722 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:41:11,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:41:20,609 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 53 for LOIs [2024-11-13 23:41:20,619 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-13 23:41:20,636 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:41:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1577055097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:41:42,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:41:42,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [12, 10, 10] total 85 [2024-11-13 23:41:42,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114180045] [2024-11-13 23:41:42,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:41:42,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-13 23:41:42,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:41:42,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-13 23:41:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1001, Invalid=6139, Unknown=0, NotChecked=0, Total=7140 [2024-11-13 23:41:42,432 INFO L87 Difference]: Start difference. First operand 916 states and 1283 transitions. Second operand has 56 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:41:45,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:41:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:41:49,763 INFO L93 Difference]: Finished difference Result 920 states and 1285 transitions. [2024-11-13 23:41:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-13 23:41:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 76 [2024-11-13 23:41:49,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:41:49,764 INFO L225 Difference]: With dead ends: 920 [2024-11-13 23:41:49,764 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:41:49,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 153 SyntacticMatches, 2 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3391 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=1115, Invalid=7075, Unknown=0, NotChecked=0, Total=8190 [2024-11-13 23:41:49,768 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:41:49,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 42 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1050 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 23:41:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:41:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:41:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 23:41:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:41:49,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2024-11-13 23:41:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:41:49,769 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:41:49,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:41:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:41:49,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:41:49,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-13 23:41:49,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-13 23:41:49,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-13 23:41:49,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-13 23:41:49,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-13 23:41:49,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-13 23:41:49,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-13 23:41:49,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-13 23:41:49,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-13 23:41:49,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-13 23:41:49,778 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-13 23:41:49,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 23:41:49,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 23:41:49,981 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:41:49,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:41:52,915 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:41:52,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,931 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,941 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,972 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,973 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:52,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:52,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:52,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:52,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:53,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:41:53 BoogieIcfgContainer [2024-11-13 23:41:53,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:41:53,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:41:53,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:41:53,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:41:53,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:23" (3/4) ... [2024-11-13 23:41:53,020 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:41:53,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:41:53,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:41:53,028 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 23:41:53,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:41:53,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:41:53,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:41:53,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:41:53,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:41:53,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:41:53,135 INFO L158 Benchmark]: Toolchain (without parser) took 150841.09ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 93.0MB in the beginning and 682.2MB in the end (delta: -589.2MB). Peak memory consumption was 496.9MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,135 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:53,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.07ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,136 INFO L158 Benchmark]: Boogie Preprocessor took 20.17ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 917.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:53,136 INFO L158 Benchmark]: RCFGBuilder took 905.57ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 55.6MB in the end (delta: 23.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,136 INFO L158 Benchmark]: TraceAbstraction took 149470.39ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.0MB in the beginning and 690.6MB in the end (delta: -635.6MB). Peak memory consumption was 706.6MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,137 INFO L158 Benchmark]: Witness Printer took 117.80ms. Allocated memory is still 1.2GB. Free memory was 690.6MB in the beginning and 682.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:41:53,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.07ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.17ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 917.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 905.57ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 55.6MB in the end (delta: 23.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 149470.39ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.0MB in the beginning and 690.6MB in the end (delta: -635.6MB). Peak memory consumption was 706.6MB. Max. memory is 16.1GB. * Witness Printer took 117.80ms. Allocated memory is still 1.2GB. Free memory was 690.6MB in the beginning and 682.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 137 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 146.4s, OverallIterations: 39, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4327 SdHoareTripleChecker+Valid, 27.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4230 mSDsluCounter, 17572 SdHoareTripleChecker+Invalid, 25.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12740 mSDsCounter, 231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12908 IncrementalHoareTripleChecker+Invalid, 13140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 231 mSolverCounterUnsat, 4832 mSDtfsCounter, 12908 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2096 GetRequests, 1441 SyntacticMatches, 52 SemanticMatches, 603 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13281 ImplicationChecksByTransitivity, 77.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=38, InterpolantAutomatonStates: 418, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 39 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 2473 NumberOfCodeBlocks, 2473 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 2224 ConstructedInterpolants, 16 QuantifiedInterpolants, 7736 SizeOfPredicates, 56 NumberOfNonLiveVariables, 3006 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 57 InterpolantComputations, 31 PerfectInterpolantSequences, 358/504 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 18.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 17, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 343, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 817, TOOLS_POST_TIME: 12.5s, TOOLS_POST_CALL_APPLICATIONS: 124, TOOLS_POST_CALL_TIME: 2.0s, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME: 1.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 993, TOOLS_QUANTIFIERELIM_TIME: 15.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1302, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 154, DOMAIN_JOIN_TIME: 1.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 343, DOMAIN_ISBOTTOM_TIME: 0.6s, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME: 7.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 7.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 10, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.3s, DAG_COMPRESSION_PROCESSED_NODES: 23668, DAG_COMPRESSION_RETAINED_NODES: 1145, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((b == y) && (r == 0)) && (a == x)) || (((a == y) && (b == x)) && (q == 1))) && ((q == 0) || (counter == 2))) && ((((p == 1) && (counter == 0)) && (s == 1)) || (((p == 0) && (s == 0)) && (r == 1)))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((((((((d == 1) && (p == 0)) && (counter == 4)) && (a == y)) && (a == c)) && (((__int128) b + 1) <= a)) && (b == x)) && (b == v)) && (1 <= b)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (y <= 2147483647)) || ((((((((((((((d == 1) && (p == 1)) && (a == c)) && (b == y)) && (c <= 2147483647)) && (b == v)) && (1 <= b)) && (r == 0)) && (q == 0)) && (k == 0)) && (b <= c)) && (a == x)) && (counter == 2)) && (s == 1))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ((((((((((((((p == 1) && (a == c)) && (x <= 2147483647)) && (b == y)) && (1 <= b)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (a == x)) && (counter == 1)) && (y <= 2147483647)) && (s == 1)) || ((((((((((counter == 3) && (p == 0)) && (a == y)) && (a == c)) && (b == x)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (y <= 2147483647))) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((counter == 0) && (cond == 1)) && (counter == \old(counter))) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((((cond != 0) || (21 <= counter)) || (((long long) 2147483645 + counter) < 0)) || (22 < counter)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:41:53,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf34a4d5-00d9-4632-aa35-7dba69df9d76/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE