./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.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_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/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_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/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_e6e475bd-120c-4cd8-991e-fe33b2120611/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 c6b05ef27bc57afa4e7776361d8c320f2c4d1efbfc422ad92c7a9c3c2e549e04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:02,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:02,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 02:42:02,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:02,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:02,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:02,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:02,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:02,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:02,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:02,618 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:02,618 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:02,618 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:02,619 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:02,619 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:02,619 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:02,620 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:02,620 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:02,621 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:02,621 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:02,621 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:02,621 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:02,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:02,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:02,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:02,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:02,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 02:42:02,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:42:02,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:42:02,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:02,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:02,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:02,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:02,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:02,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:02,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:02,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:02,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:02,627 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_e6e475bd-120c-4cd8-991e-fe33b2120611/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 -> c6b05ef27bc57afa4e7776361d8c320f2c4d1efbfc422ad92c7a9c3c2e549e04 [2024-11-14 02:42:02,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:02,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:02,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:02,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:02,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:02,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c Unable to find full path for "g++" [2024-11-14 02:42:04,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:05,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:05,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2024-11-14 02:42:05,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/data/87c96f87f/bcd7006bf5094872b2fd9142eca5265d/FLAGf077d6304 [2024-11-14 02:42:05,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/data/87c96f87f/bcd7006bf5094872b2fd9142eca5265d [2024-11-14 02:42:05,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:05,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:05,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:05,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:05,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:05,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451ebd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05, skipping insertion in model container [2024-11-14 02:42:05,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:05,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:05,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:05,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:05,676 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:05,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05 WrapperNode [2024-11-14 02:42:05,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:05,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:05,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:05,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:05,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,733 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152 [2024-11-14 02:42:05,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:05,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:05,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:05,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:05,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:05,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:05,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:05,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:05,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (1/1) ... [2024-11-14 02:42:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:05,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:42:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:42:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 02:42:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 02:42:05,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:05,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:06,673 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:06,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:06,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:06,729 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 02:42:06,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:06 BoogieIcfgContainer [2024-11-14 02:42:06,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:06,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:06,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:06,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:06,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:05" (1/3) ... [2024-11-14 02:42:06,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369659e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:06, skipping insertion in model container [2024-11-14 02:42:06,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:05" (2/3) ... [2024-11-14 02:42:06,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369659e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:06, skipping insertion in model container [2024-11-14 02:42:06,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:06" (3/3) ... [2024-11-14 02:42:06,740 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound10.c [2024-11-14 02:42:06,756 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:06,758 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat1-ll_valuebound10.c that has 3 procedures, 206 locations, 1 initial locations, 3 loop locations, and 92 error locations. [2024-11-14 02:42:06,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:06,855 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;@19ef9bc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:06,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-11-14 02:42:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 103 states have (on average 1.9514563106796117) internal successors, (201), 195 states have internal predecessors, (201), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 02:42:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 02:42:06,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:06,872 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:06,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:06,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1351694628, now seen corresponding path program 1 times [2024-11-14 02:42:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:06,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035456625] [2024-11-14 02:42:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 02:42:07,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035456625] [2024-11-14 02:42:07,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035456625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:07,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:07,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:07,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120387342] [2024-11-14 02:42:07,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:07,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:07,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:07,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:07,177 INFO L87 Difference]: Start difference. First operand has 206 states, 103 states have (on average 1.9514563106796117) internal successors, (201), 195 states have internal predecessors, (201), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-14 02:42:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:07,342 INFO L93 Difference]: Finished difference Result 368 states and 395 transitions. [2024-11-14 02:42:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:07,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 9 [2024-11-14 02:42:07,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:07,356 INFO L225 Difference]: With dead ends: 368 [2024-11-14 02:42:07,356 INFO L226 Difference]: Without dead ends: 189 [2024-11-14 02:42:07,362 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 [2024-11-14 02:42:07,366 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 13 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:07,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 344 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:07,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-14 02:42:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-14 02:42:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 102 states have (on average 1.7843137254901962) internal successors, (182), 179 states have internal predecessors, (182), 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) [2024-11-14 02:42:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 196 transitions. [2024-11-14 02:42:07,449 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 196 transitions. Word has length 9 [2024-11-14 02:42:07,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:07,452 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 196 transitions. [2024-11-14 02:42:07,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-14 02:42:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2024-11-14 02:42:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 02:42:07,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:07,454 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:07,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:42:07,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:07,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1047139453, now seen corresponding path program 1 times [2024-11-14 02:42:07,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:07,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709352183] [2024-11-14 02:42:07,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 02:42:07,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709352183] [2024-11-14 02:42:07,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709352183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:07,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:07,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:07,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960215719] [2024-11-14 02:42:07,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:07,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:07,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:07,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:07,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:07,588 INFO L87 Difference]: Start difference. First operand 189 states and 196 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-14 02:42:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:07,691 INFO L93 Difference]: Finished difference Result 189 states and 196 transitions. [2024-11-14 02:42:07,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:07,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 10 [2024-11-14 02:42:07,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:07,693 INFO L225 Difference]: With dead ends: 189 [2024-11-14 02:42:07,694 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 02:42:07,694 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 [2024-11-14 02:42:07,698 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 12 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:07,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 338 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:07,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 02:42:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-14 02:42:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 175 states have internal predecessors, (178), 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) [2024-11-14 02:42:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 192 transitions. [2024-11-14 02:42:07,717 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 192 transitions. Word has length 10 [2024-11-14 02:42:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:07,717 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 192 transitions. [2024-11-14 02:42:07,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-14 02:42:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 192 transitions. [2024-11-14 02:42:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 02:42:07,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:07,718 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:07,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:42:07,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:07,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:07,719 INFO L85 PathProgramCache]: Analyzing trace with hash -437142457, now seen corresponding path program 1 times [2024-11-14 02:42:07,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:07,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113611373] [2024-11-14 02:42:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:42:07,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223790923] [2024-11-14 02:42:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:07,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:07,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:07,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:07,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:42:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:07,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:42:07,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 02:42:07,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:07,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:07,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113611373] [2024-11-14 02:42:07,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:42:07,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223790923] [2024-11-14 02:42:07,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223790923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:07,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:07,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:07,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032151280] [2024-11-14 02:42:07,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:07,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:42:07,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:07,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:42:07,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:07,889 INFO L87 Difference]: Start difference. First operand 185 states and 192 transitions. Second operand has 4 states, 2 states have (on average 5.0) 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) [2024-11-14 02:42:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:08,023 INFO L93 Difference]: Finished difference Result 185 states and 192 transitions. [2024-11-14 02:42:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:42:08,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 5.0) 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 [2024-11-14 02:42:08,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:08,026 INFO L225 Difference]: With dead ends: 185 [2024-11-14 02:42:08,026 INFO L226 Difference]: Without dead ends: 183 [2024-11-14 02:42:08,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:08,027 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 8 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:08,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 496 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-14 02:42:08,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-14 02:42:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 102 states have (on average 1.7254901960784315) internal successors, (176), 173 states have internal predecessors, (176), 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) [2024-11-14 02:42:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 190 transitions. [2024-11-14 02:42:08,056 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 190 transitions. Word has length 14 [2024-11-14 02:42:08,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:08,057 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 190 transitions. [2024-11-14 02:42:08,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 5.0) 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) [2024-11-14 02:42:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 190 transitions. [2024-11-14 02:42:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 02:42:08,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:08,058 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:08,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:08,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-14 02:42:08,263 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:08,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:08,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1522739954, now seen corresponding path program 1 times [2024-11-14 02:42:08,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:08,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654417510] [2024-11-14 02:42:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:42:08,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970869642] [2024-11-14 02:42:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:08,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:08,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:08,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 02:42:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:08,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:42:08,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:08,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:08,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:08,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654417510] [2024-11-14 02:42:08,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:42:08,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970869642] [2024-11-14 02:42:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970869642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:08,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:08,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:08,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102650163] [2024-11-14 02:42:08,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:08,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:08,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:08,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:08,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:08,468 INFO L87 Difference]: Start difference. First operand 183 states and 190 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:08,568 INFO L93 Difference]: Finished difference Result 183 states and 190 transitions. [2024-11-14 02:42:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:08,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-14 02:42:08,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:08,570 INFO L225 Difference]: With dead ends: 183 [2024-11-14 02:42:08,570 INFO L226 Difference]: Without dead ends: 181 [2024-11-14 02:42:08,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:08,572 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 144 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:08,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 162 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-14 02:42:08,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-14 02:42:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 171 states have internal predecessors, (174), 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) [2024-11-14 02:42:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2024-11-14 02:42:08,584 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 27 [2024-11-14 02:42:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:08,585 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2024-11-14 02:42:08,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2024-11-14 02:42:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 02:42:08,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:08,586 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:08,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:08,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-14 02:42:08,791 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:08,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash 39701747, now seen corresponding path program 1 times [2024-11-14 02:42:08,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:08,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9915302] [2024-11-14 02:42:08,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 02:42:09,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:09,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9915302] [2024-11-14 02:42:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9915302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:09,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175228326] [2024-11-14 02:42:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:09,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:09,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:09,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:09,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 02:42:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:09,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:42:09,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 02:42:09,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 02:42:09,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175228326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:09,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [110938829] [2024-11-14 02:42:09,705 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 02:42:09,705 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:09,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:09,715 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:09,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:10,889 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:42:10,891 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:42:12,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [110938829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:12,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:12,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 4, 4] total 16 [2024-11-14 02:42:12,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253644857] [2024-11-14 02:42:12,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:12,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 02:42:12,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:12,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 02:42:12,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-14 02:42:12,020 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand has 11 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 02:42:12,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:12,380 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2024-11-14 02:42:12,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 02:42:12,382 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 28 [2024-11-14 02:42:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:12,383 INFO L225 Difference]: With dead ends: 181 [2024-11-14 02:42:12,383 INFO L226 Difference]: Without dead ends: 179 [2024-11-14 02:42:12,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-14 02:42:12,384 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 299 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:12,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 521 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:42:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-14 02:42:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-14 02:42:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 169 states have internal predecessors, (172), 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) [2024-11-14 02:42:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 186 transitions. [2024-11-14 02:42:12,398 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 186 transitions. Word has length 28 [2024-11-14 02:42:12,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:12,398 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 186 transitions. [2024-11-14 02:42:12,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 02:42:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 186 transitions. [2024-11-14 02:42:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 02:42:12,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:12,399 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:12,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 02:42:12,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:12,600 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:12,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:12,601 INFO L85 PathProgramCache]: Analyzing trace with hash -501324459, now seen corresponding path program 1 times [2024-11-14 02:42:12,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:12,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896866502] [2024-11-14 02:42:12,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:12,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:12,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:12,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896866502] [2024-11-14 02:42:12,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896866502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:12,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:12,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:12,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253003764] [2024-11-14 02:42:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:12,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:12,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:12,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:12,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:12,673 INFO L87 Difference]: Start difference. First operand 179 states and 186 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:12,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:12,784 INFO L93 Difference]: Finished difference Result 185 states and 192 transitions. [2024-11-14 02:42:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:12,785 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-14 02:42:12,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:12,786 INFO L225 Difference]: With dead ends: 185 [2024-11-14 02:42:12,786 INFO L226 Difference]: Without dead ends: 182 [2024-11-14 02:42:12,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:12,787 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 99 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:12,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 206 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:42:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-14 02:42:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-14 02:42:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 106 states have (on average 1.650943396226415) internal successors, (175), 172 states have internal predecessors, (175), 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) [2024-11-14 02:42:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 189 transitions. [2024-11-14 02:42:12,803 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 189 transitions. Word has length 30 [2024-11-14 02:42:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:12,804 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 189 transitions. [2024-11-14 02:42:12,804 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 189 transitions. [2024-11-14 02:42:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 02:42:12,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:12,805 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:12,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 02:42:12,805 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:12,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1638811032, now seen corresponding path program 1 times [2024-11-14 02:42:12,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:12,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28510527] [2024-11-14 02:42:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:12,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:12,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:12,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28510527] [2024-11-14 02:42:12,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28510527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:12,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:12,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:42:12,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628002366] [2024-11-14 02:42:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:12,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:42:12,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:12,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:42:12,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:12,910 INFO L87 Difference]: Start difference. First operand 182 states and 189 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:13,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:13,101 INFO L93 Difference]: Finished difference Result 186 states and 193 transitions. [2024-11-14 02:42:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:42:13,102 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-14 02:42:13,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:13,105 INFO L225 Difference]: With dead ends: 186 [2024-11-14 02:42:13,105 INFO L226 Difference]: Without dead ends: 183 [2024-11-14 02:42:13,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:42:13,109 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 109 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:13,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 313 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:13,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-14 02:42:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-14 02:42:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 108 states have (on average 1.6296296296296295) internal successors, (176), 173 states have internal predecessors, (176), 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) [2024-11-14 02:42:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 190 transitions. [2024-11-14 02:42:13,136 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 190 transitions. Word has length 31 [2024-11-14 02:42:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:13,137 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 190 transitions. [2024-11-14 02:42:13,137 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 190 transitions. [2024-11-14 02:42:13,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 02:42:13,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:13,140 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:13,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 02:42:13,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:13,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash -736465481, now seen corresponding path program 1 times [2024-11-14 02:42:13,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:13,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051468736] [2024-11-14 02:42:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:42:13,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687642206] [2024-11-14 02:42:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:13,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:13,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 02:42:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:13,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:42:13,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:13,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:13,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:13,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051468736] [2024-11-14 02:42:13,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:42:13,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687642206] [2024-11-14 02:42:13,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687642206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:13,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:13,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:13,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800700462] [2024-11-14 02:42:13,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:13,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:13,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:13,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:13,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:13,283 INFO L87 Difference]: Start difference. First operand 183 states and 190 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:13,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:13,477 INFO L93 Difference]: Finished difference Result 289 states and 309 transitions. [2024-11-14 02:42:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:13,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-14 02:42:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:13,480 INFO L225 Difference]: With dead ends: 289 [2024-11-14 02:42:13,481 INFO L226 Difference]: Without dead ends: 286 [2024-11-14 02:42:13,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:13,482 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 97 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:13,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 293 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:13,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-14 02:42:13,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 246. [2024-11-14 02:42:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 168 states have (on average 1.6547619047619047) internal successors, (278), 233 states have internal predecessors, (278), 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) [2024-11-14 02:42:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 298 transitions. [2024-11-14 02:42:13,507 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 298 transitions. Word has length 32 [2024-11-14 02:42:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:13,507 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 298 transitions. [2024-11-14 02:42:13,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:42:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 298 transitions. [2024-11-14 02:42:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 02:42:13,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:13,509 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:13,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 02:42:13,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:13,710 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:13,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:13,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1355593350, now seen corresponding path program 1 times [2024-11-14 02:42:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309717458] [2024-11-14 02:42:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 02:42:13,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:13,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309717458] [2024-11-14 02:42:13,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309717458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:13,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880050948] [2024-11-14 02:42:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:13,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:13,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:13,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 02:42:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:14,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:42:14,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 02:42:14,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:14,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880050948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [998488131] [2024-11-14 02:42:14,703 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2024-11-14 02:42:14,703 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:14,704 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:14,704 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:14,704 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:15,371 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:42:15,373 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:42:16,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [998488131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:16,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:42:16,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 6] total 20 [2024-11-14 02:42:16,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496383529] [2024-11-14 02:42:16,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:16,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 02:42:16,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:16,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 02:42:16,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-11-14 02:42:16,998 INFO L87 Difference]: Start difference. First operand 246 states and 298 transitions. Second operand has 12 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 02:42:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:19,269 INFO L93 Difference]: Finished difference Result 293 states and 306 transitions. [2024-11-14 02:42:19,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 02:42:19,270 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 33 [2024-11-14 02:42:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:19,272 INFO L225 Difference]: With dead ends: 293 [2024-11-14 02:42:19,272 INFO L226 Difference]: Without dead ends: 250 [2024-11-14 02:42:19,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 70 SyntacticMatches, 9 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-11-14 02:42:19,275 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 509 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:19,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 320 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 02:42:19,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-14 02:42:19,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-11-14 02:42:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 237 states have internal predecessors, (243), 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) [2024-11-14 02:42:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 263 transitions. [2024-11-14 02:42:19,301 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 263 transitions. Word has length 33 [2024-11-14 02:42:19,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:19,302 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 263 transitions. [2024-11-14 02:42:19,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 02:42:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 263 transitions. [2024-11-14 02:42:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-14 02:42:19,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:19,304 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:19,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 02:42:19,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-14 02:42:19,505 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:19,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:19,505 INFO L85 PathProgramCache]: Analyzing trace with hash -710230115, now seen corresponding path program 1 times [2024-11-14 02:42:19,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:19,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210520377] [2024-11-14 02:42:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:19,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:19,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:19,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210520377] [2024-11-14 02:42:19,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210520377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:19,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:19,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:19,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117328467] [2024-11-14 02:42:19,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:19,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:19,579 INFO L87 Difference]: Start difference. First operand 250 states and 263 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:19,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:19,855 INFO L93 Difference]: Finished difference Result 264 states and 277 transitions. [2024-11-14 02:42:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:19,856 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-14 02:42:19,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:19,858 INFO L225 Difference]: With dead ends: 264 [2024-11-14 02:42:19,858 INFO L226 Difference]: Without dead ends: 246 [2024-11-14 02:42:19,859 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 [2024-11-14 02:42:19,859 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 92 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:19,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 145 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-14 02:42:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 237. [2024-11-14 02:42:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 176 states have (on average 1.3181818181818181) internal successors, (232), 224 states have internal predecessors, (232), 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) [2024-11-14 02:42:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 252 transitions. [2024-11-14 02:42:19,880 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 252 transitions. Word has length 55 [2024-11-14 02:42:19,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:19,881 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 252 transitions. [2024-11-14 02:42:19,881 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 252 transitions. [2024-11-14 02:42:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 02:42:19,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:19,883 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:19,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 02:42:19,883 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:19,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:19,884 INFO L85 PathProgramCache]: Analyzing trace with hash 368667519, now seen corresponding path program 1 times [2024-11-14 02:42:19,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:19,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567700314] [2024-11-14 02:42:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:19,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:19,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567700314] [2024-11-14 02:42:19,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567700314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:19,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:19,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:19,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150437767] [2024-11-14 02:42:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:19,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:19,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:19,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:19,941 INFO L87 Difference]: Start difference. First operand 237 states and 252 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:20,173 INFO L93 Difference]: Finished difference Result 246 states and 261 transitions. [2024-11-14 02:42:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:20,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-14 02:42:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:20,175 INFO L225 Difference]: With dead ends: 246 [2024-11-14 02:42:20,176 INFO L226 Difference]: Without dead ends: 224 [2024-11-14 02:42:20,176 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 [2024-11-14 02:42:20,177 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 83 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:20,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 120 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:42:20,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-14 02:42:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2024-11-14 02:42:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 209 states have internal predecessors, (219), 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) [2024-11-14 02:42:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2024-11-14 02:42:20,205 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 57 [2024-11-14 02:42:20,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:20,205 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2024-11-14 02:42:20,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2024-11-14 02:42:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 02:42:20,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:20,206 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:20,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 02:42:20,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:20,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:20,209 INFO L85 PathProgramCache]: Analyzing trace with hash 779144997, now seen corresponding path program 1 times [2024-11-14 02:42:20,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:20,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914653950] [2024-11-14 02:42:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:20,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914653950] [2024-11-14 02:42:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914653950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:20,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:20,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:20,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025417845] [2024-11-14 02:42:20,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:20,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:20,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:20,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:20,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:20,299 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:20,599 INFO L93 Difference]: Finished difference Result 257 states and 270 transitions. [2024-11-14 02:42:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:20,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2024-11-14 02:42:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:20,601 INFO L225 Difference]: With dead ends: 257 [2024-11-14 02:42:20,601 INFO L226 Difference]: Without dead ends: 253 [2024-11-14 02:42:20,602 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 [2024-11-14 02:42:20,602 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:20,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 131 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:42:20,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-14 02:42:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2024-11-14 02:42:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 196 states have (on average 1.1785714285714286) internal successors, (231), 221 states have internal predecessors, (231), 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) [2024-11-14 02:42:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2024-11-14 02:42:20,631 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 251 transitions. Word has length 63 [2024-11-14 02:42:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:20,632 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 251 transitions. [2024-11-14 02:42:20,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2024-11-14 02:42:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 02:42:20,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:20,633 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:20,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 02:42:20,633 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:20,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:20,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1505601254, now seen corresponding path program 1 times [2024-11-14 02:42:20,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:20,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241268739] [2024-11-14 02:42:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:20,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:20,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241268739] [2024-11-14 02:42:20,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241268739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:20,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:20,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:20,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135928935] [2024-11-14 02:42:20,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:20,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:20,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:20,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:20,710 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:21,008 INFO L93 Difference]: Finished difference Result 246 states and 259 transitions. [2024-11-14 02:42:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2024-11-14 02:42:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:21,011 INFO L225 Difference]: With dead ends: 246 [2024-11-14 02:42:21,011 INFO L226 Difference]: Without dead ends: 242 [2024-11-14 02:42:21,011 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 [2024-11-14 02:42:21,012 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 77 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:21,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 109 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:42:21,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-14 02:42:21,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2024-11-14 02:42:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 202 states have (on average 1.1633663366336633) internal successors, (235), 225 states have internal predecessors, (235), 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) [2024-11-14 02:42:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 255 transitions. [2024-11-14 02:42:21,038 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 255 transitions. Word has length 66 [2024-11-14 02:42:21,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:21,039 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 255 transitions. [2024-11-14 02:42:21,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2024-11-14 02:42:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 02:42:21,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:21,040 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:21,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 02:42:21,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:21,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:21,041 INFO L85 PathProgramCache]: Analyzing trace with hash -571001111, now seen corresponding path program 1 times [2024-11-14 02:42:21,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:21,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685046029] [2024-11-14 02:42:21,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:21,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 02:42:21,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:21,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685046029] [2024-11-14 02:42:21,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685046029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:21,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:21,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:21,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604999651] [2024-11-14 02:42:21,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:21,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:42:21,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:21,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:42:21,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:42:21,145 INFO L87 Difference]: Start difference. First operand 238 states and 255 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:21,476 INFO L93 Difference]: Finished difference Result 265 states and 278 transitions. [2024-11-14 02:42:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:42:21,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-14 02:42:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:21,479 INFO L225 Difference]: With dead ends: 265 [2024-11-14 02:42:21,479 INFO L226 Difference]: Without dead ends: 245 [2024-11-14 02:42:21,479 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 [2024-11-14 02:42:21,480 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 73 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:21,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 139 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:42:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-14 02:42:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 222. [2024-11-14 02:42:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 188 states have (on average 1.1595744680851063) internal successors, (218), 209 states have internal predecessors, (218), 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) [2024-11-14 02:42:21,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 238 transitions. [2024-11-14 02:42:21,505 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 238 transitions. Word has length 67 [2024-11-14 02:42:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:21,505 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 238 transitions. [2024-11-14 02:42:21,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 02:42:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 238 transitions. [2024-11-14 02:42:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 02:42:21,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:21,507 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:21,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 02:42:21,507 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:21,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1110555143, now seen corresponding path program 1 times [2024-11-14 02:42:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627235353] [2024-11-14 02:42:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:42:21,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:21,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627235353] [2024-11-14 02:42:21,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627235353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:21,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105987319] [2024-11-14 02:42:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:21,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:21,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:21,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:21,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 02:42:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:21,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:42:21,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:42:22,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:42:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105987319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [928023464] [2024-11-14 02:42:22,323 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 02:42:22,324 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:22,324 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:22,324 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:22,324 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:28,441 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 137 for LOIs [2024-11-14 02:42:28,510 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:42:28,511 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:42:36,546 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8130#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~u~0#1| 4611686018427387904)) (<= 1 |ULTIMATE.start_main_~v~0#1|) (<= |ULTIMATE.start_main_~u~0#1| 4611686018427387903) (<= |ULTIMATE.start_main_~v~0#1| 5))' at error location [2024-11-14 02:42:36,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:42:36,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:42:36,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-14 02:42:36,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509390146] [2024-11-14 02:42:36,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:42:36,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 02:42:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:42:36,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 02:42:36,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1104, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 02:42:36,549 INFO L87 Difference]: Start difference. First operand 222 states and 238 transitions. Second operand has 14 states, 13 states have (on average 13.615384615384615) internal successors, (177), 14 states have internal predecessors, (177), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-14 02:42:37,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:37,599 INFO L93 Difference]: Finished difference Result 591 states and 655 transitions. [2024-11-14 02:42:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 02:42:37,600 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.615384615384615) internal successors, (177), 14 states have internal predecessors, (177), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 80 [2024-11-14 02:42:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:37,603 INFO L225 Difference]: With dead ends: 591 [2024-11-14 02:42:37,603 INFO L226 Difference]: Without dead ends: 391 [2024-11-14 02:42:37,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 174 SyntacticMatches, 34 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=498, Invalid=1854, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 02:42:37,606 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 836 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 333 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 02:42:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-14 02:42:37,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 375. [2024-11-14 02:42:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 336 states have (on average 1.1428571428571428) internal successors, (384), 355 states have internal predecessors, (384), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 02:42:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 418 transitions. [2024-11-14 02:42:37,646 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 418 transitions. Word has length 80 [2024-11-14 02:42:37,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:37,646 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 418 transitions. [2024-11-14 02:42:37,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.615384615384615) internal successors, (177), 14 states have internal predecessors, (177), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-14 02:42:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 418 transitions. [2024-11-14 02:42:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 02:42:37,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:37,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:37,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 02:42:37,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 02:42:37,849 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:42:37,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash -67470938, now seen corresponding path program 1 times [2024-11-14 02:42:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439872445] [2024-11-14 02:42:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:42:38,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:42:38,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439872445] [2024-11-14 02:42:38,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439872445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:42:38,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473535824] [2024-11-14 02:42:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:38,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:38,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:38,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:38,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 02:42:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:38,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:42:38,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:50,636 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_55| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_55| |v_ULTIMATE.start_main_~R~0#1_55|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2024-11-14 02:42:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 3 not checked. [2024-11-14 02:42:50,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:42:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473535824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:50,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1100956692] [2024-11-14 02:42:50,857 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 02:42:50,857 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:42:50,857 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:42:50,858 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:42:50,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:42:54,425 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 137 for LOIs [2024-11-14 02:42:54,463 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:42:54,464 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:43:36,308 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9725#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~u~0#1| 4611686018427387904)) (<= 1 |ULTIMATE.start_main_~v~0#1|) (<= |ULTIMATE.start_main_~u~0#1| 4611686018427387903) (<= |ULTIMATE.start_main_~v~0#1| 5))' at error location [2024-11-14 02:43:36,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:43:36,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:43:36,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-14 02:43:36,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092810538] [2024-11-14 02:43:36,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:43:36,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 02:43:36,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:43:36,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 02:43:36,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1046, Unknown=11, NotChecked=70, Total=1406 [2024-11-14 02:43:36,311 INFO L87 Difference]: Start difference. First operand 375 states and 418 transitions. Second operand has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-14 02:43:38,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:40,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:44,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:49,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:53,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:55,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:57,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:43:59,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:01,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:07,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:09,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:11,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:13,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:16,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:18,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:22,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:24,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:28,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:30,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:32,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:34,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:36,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:38,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:40,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:42,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:44,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:46,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:48,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:50,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:52,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:54,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:56,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:44:58,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:00,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:02,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:04,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:06,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:08,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:10,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:12,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:14,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:16,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:18,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:20,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:22,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:24,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:26,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:28,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:30,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:32,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:34,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:36,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:38,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:40,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:42,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:44,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:46,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:48,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:50,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:52,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:46:17,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:46:19,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:46:21,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:46:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:21,152 INFO L93 Difference]: Finished difference Result 530 states and 590 transitions. [2024-11-14 02:46:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 02:46:21,155 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 81 [2024-11-14 02:46:21,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:21,157 INFO L225 Difference]: With dead ends: 530 [2024-11-14 02:46:21,158 INFO L226 Difference]: Without dead ends: 526 [2024-11-14 02:46:21,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 176 SyntacticMatches, 34 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1351 ImplicationChecksByTransitivity, 86.5s TimeCoverageRelationStatistics Valid=401, Invalid=1648, Unknown=25, NotChecked=88, Total=2162 [2024-11-14 02:46:21,159 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 349 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 31 mSolverCounterUnsat, 65 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 65 IncrementalHoareTripleChecker+Unknown, 353 IncrementalHoareTripleChecker+Unchecked, 132.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:21,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 357 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 633 Invalid, 65 Unknown, 353 Unchecked, 132.1s Time] [2024-11-14 02:46:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-14 02:46:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 483. [2024-11-14 02:46:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 440 states have (on average 1.1227272727272728) internal successors, (494), 458 states have internal predecessors, (494), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 02:46:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 538 transitions. [2024-11-14 02:46:21,216 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 538 transitions. Word has length 81 [2024-11-14 02:46:21,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:21,216 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 538 transitions. [2024-11-14 02:46:21,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-14 02:46:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 538 transitions. [2024-11-14 02:46:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 02:46:21,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:21,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:21,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 02:46:21,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-14 02:46:21,419 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:46:21,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1688480372, now seen corresponding path program 1 times [2024-11-14 02:46:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:21,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862637069] [2024-11-14 02:46:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:21,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:46:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:46:21,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551030319] [2024-11-14 02:46:21,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:21,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:21,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:21,452 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 02:46:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:21,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:46:21,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:46:21,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 02:46:22,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:46:22,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862637069] [2024-11-14 02:46:22,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:46:22,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551030319] [2024-11-14 02:46:22,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551030319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:22,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1738500191] [2024-11-14 02:46:22,228 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-14 02:46:22,228 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:46:22,228 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:46:22,228 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:46:22,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:46:25,667 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 137 for LOIs [2024-11-14 02:46:25,703 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:46:25,705 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:46:35,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1738500191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:35,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:46:35,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [3, 3] total 28 [2024-11-14 02:46:35,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539232069] [2024-11-14 02:46:35,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:35,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 02:46:35,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:46:35,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 02:46:35,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2024-11-14 02:46:35,118 INFO L87 Difference]: Start difference. First operand 483 states and 538 transitions. Second operand has 25 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 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) [2024-11-14 02:46:42,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:42,097 INFO L93 Difference]: Finished difference Result 703 states and 780 transitions. [2024-11-14 02:46:42,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 02:46:42,098 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 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 87 [2024-11-14 02:46:42,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:42,102 INFO L225 Difference]: With dead ends: 703 [2024-11-14 02:46:42,102 INFO L226 Difference]: Without dead ends: 689 [2024-11-14 02:46:42,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 195 SyntacticMatches, 37 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 02:46:42,103 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 618 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:42,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 105 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-14 02:46:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-14 02:46:42,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 621. [2024-11-14 02:46:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 572 states have (on average 1.1048951048951048) internal successors, (632), 590 states have internal predecessors, (632), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-14 02:46:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 688 transitions. [2024-11-14 02:46:42,172 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 688 transitions. Word has length 87 [2024-11-14 02:46:42,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:42,172 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 688 transitions. [2024-11-14 02:46:42,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 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) [2024-11-14 02:46:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 688 transitions. [2024-11-14 02:46:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 02:46:42,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:42,174 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:42,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 02:46:42,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 02:46:42,374 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:46:42,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:42,375 INFO L85 PathProgramCache]: Analyzing trace with hash 938908648, now seen corresponding path program 1 times [2024-11-14 02:46:42,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:42,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695088159] [2024-11-14 02:46:42,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:46:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:46:42,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293580332] [2024-11-14 02:46:42,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:42,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:42,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:42,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 02:46:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:42,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:46:42,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-14 02:46:44,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-14 02:46:44,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:46:44,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695088159] [2024-11-14 02:46:44,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:46:44,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293580332] [2024-11-14 02:46:44,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293580332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:44,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1983073937] [2024-11-14 02:46:44,716 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2024-11-14 02:46:44,716 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:46:44,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:46:44,716 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:46:44,717 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:46:48,231 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 02:46:48,233 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:46:48,235 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:47:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1983073937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:09,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:47:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 5] total 24 [2024-11-14 02:47:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760977684] [2024-11-14 02:47:09,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:09,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 02:47:09,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:09,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 02:47:09,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2024-11-14 02:47:09,217 INFO L87 Difference]: Start difference. First operand 621 states and 688 transitions. Second operand has 18 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 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) [2024-11-14 02:47:14,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:14,750 INFO L93 Difference]: Finished difference Result 932 states and 1020 transitions. [2024-11-14 02:47:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 02:47:14,751 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 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) Word has length 108 [2024-11-14 02:47:14,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:14,754 INFO L225 Difference]: With dead ends: 932 [2024-11-14 02:47:14,754 INFO L226 Difference]: Without dead ends: 622 [2024-11-14 02:47:14,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 251 SyntacticMatches, 49 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-14 02:47:14,755 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 141 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:14,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 114 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-14 02:47:14,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-14 02:47:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 619. [2024-11-14 02:47:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 570 states have (on average 1.0824561403508772) internal successors, (617), 588 states have internal predecessors, (617), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-14 02:47:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 673 transitions. [2024-11-14 02:47:14,824 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 673 transitions. Word has length 108 [2024-11-14 02:47:14,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:14,825 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 673 transitions. [2024-11-14 02:47:14,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 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) [2024-11-14 02:47:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 673 transitions. [2024-11-14 02:47:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 02:47:14,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:14,827 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:14,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 02:47:15,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-14 02:47:15,031 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-14 02:47:15,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:15,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1793936521, now seen corresponding path program 1 times [2024-11-14 02:47:15,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:47:15,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11955885] [2024-11-14 02:47:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 02:47:15,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:47:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11955885] [2024-11-14 02:47:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11955885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:47:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110105655] [2024-11-14 02:47:15,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:15,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:47:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:15,520 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:47:15,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 02:47:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:15,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 02:47:15,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 02:47:17,878 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:47:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-14 02:47:18,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110105655] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:47:18,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2034047492] [2024-11-14 02:47:18,936 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2024-11-14 02:47:18,936 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:47:18,937 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:47:18,937 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:47:18,937 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:47:23,499 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 02:47:23,501 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-14 02:47:23,504 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:47:49,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2034047492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:49,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:47:49,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [8, 8, 8] total 47 [2024-11-14 02:47:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411287011] [2024-11-14 02:47:49,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:49,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 02:47:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 02:47:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2024-11-14 02:47:49,238 INFO L87 Difference]: Start difference. First operand 619 states and 673 transitions. Second operand has 28 states, 22 states have (on average 4.0) internal successors, (88), 22 states have internal predecessors, (88), 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) [2024-11-14 02:47:55,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:55,478 INFO L93 Difference]: Finished difference Result 621 states and 675 transitions. [2024-11-14 02:47:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-14 02:47:55,479 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 22 states have (on average 4.0) internal successors, (88), 22 states have internal predecessors, (88), 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) Word has length 157 [2024-11-14 02:47:55,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:55,479 INFO L225 Difference]: With dead ends: 621 [2024-11-14 02:47:55,479 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 02:47:55,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 356 SyntacticMatches, 76 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3101 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=672, Invalid=2298, Unknown=0, NotChecked=0, Total=2970 [2024-11-14 02:47:55,483 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 287 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:55,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 48 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 02:47:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 02:47:55,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 02:47:55,485 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) [2024-11-14 02:47:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 02:47:55,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2024-11-14 02:47:55,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:55,486 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 02:47:55,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 22 states have (on average 4.0) internal successors, (88), 22 states have internal predecessors, (88), 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) [2024-11-14 02:47:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 02:47:55,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 02:47:55,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 92 remaining) [2024-11-14 02:47:55,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 92 remaining) [2024-11-14 02:47:55,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 92 remaining) [2024-11-14 02:47:55,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 92 remaining) [2024-11-14 02:47:55,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 92 remaining) [2024-11-14 02:47:55,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 92 remaining) [2024-11-14 02:47:55,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 92 remaining) [2024-11-14 02:47:55,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 92 remaining) [2024-11-14 02:47:55,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 92 remaining) [2024-11-14 02:47:55,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 92 remaining) [2024-11-14 02:47:55,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 92 remaining) [2024-11-14 02:47:55,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 92 remaining) [2024-11-14 02:47:55,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 92 remaining) [2024-11-14 02:47:55,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 92 remaining) [2024-11-14 02:47:55,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 92 remaining) [2024-11-14 02:47:55,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 92 remaining) [2024-11-14 02:47:55,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 92 remaining) [2024-11-14 02:47:55,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 92 remaining) [2024-11-14 02:47:55,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 92 remaining) [2024-11-14 02:47:55,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 92 remaining) [2024-11-14 02:47:55,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 02:47:55,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:47:55,706 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] [2024-11-14 02:47:55,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 02:48:21,227 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 165 DAG size of output: 58 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 02:48:24,476 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:48:24,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,510 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,532 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,532 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,532 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 02:48:24,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 02:48:24,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 02:48:24,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 02:48:24,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:48:24 BoogieIcfgContainer [2024-11-14 02:48:24,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:48:24,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:48:24,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:48:24,556 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:48:24,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:06" (3/4) ... [2024-11-14 02:48:24,559 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 02:48:24,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 02:48:24,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 02:48:24,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-14 02:48:24,579 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 02:48:24,580 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 02:48:24,580 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 02:48:24,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 02:48:24,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 02:48:24,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:48:24,719 INFO L158 Benchmark]: Toolchain (without parser) took 379395.63ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 92.0MB in the beginning and 879.1MB in the end (delta: -787.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-11-14 02:48:24,720 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:24,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:48:24,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:48:24,720 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.5MB in the end (delta: 973.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:24,721 INFO L158 Benchmark]: RCFGBuilder took 968.39ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 48.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:48:24,721 INFO L158 Benchmark]: TraceAbstraction took 377822.91ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 48.4MB in the beginning and 883.4MB in the end (delta: -835.0MB). Peak memory consumption was 572.8MB. Max. memory is 16.1GB. [2024-11-14 02:48:24,721 INFO L158 Benchmark]: Witness Printer took 158.19ms. Allocated memory is still 1.0GB. Free memory was 883.4MB in the beginning and 879.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:24,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.5MB in the end (delta: 973.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 968.39ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 48.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 377822.91ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 48.4MB in the beginning and 883.4MB in the end (delta: -835.0MB). Peak memory consumption was 572.8MB. Max. memory is 16.1GB. * Witness Printer took 158.19ms. Allocated memory is still 1.0GB. Free memory was 883.4MB in the beginning and 879.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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: #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: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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: 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: 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: 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: 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: 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: 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: 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: 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: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: 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: 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: 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: 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: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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: 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: 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: 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: 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: 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: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 206 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 348.9s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 189.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 65 mSolverCounterUnknown, 3973 SdHoareTripleChecker+Valid, 152.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3919 mSDsluCounter, 4594 SdHoareTripleChecker+Invalid, 150.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 353 IncrementalHoareTripleChecker+Unchecked, 2636 mSDsCounter, 354 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6462 IncrementalHoareTripleChecker+Invalid, 7234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 354 mSolverCounterUnsat, 1958 mSDtfsCounter, 6462 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1864 GetRequests, 1363 SyntacticMatches, 245 SemanticMatches, 256 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7794 ImplicationChecksByTransitivity, 158.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=621occurred in iteration=17, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 227 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1682 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1925 ConstructedInterpolants, 60 QuantifiedInterpolants, 12829 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1111 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 30 InterpolantComputations, 12 PerfectInterpolantSequences, 405/672 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: 13.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 340, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 505, TOOLS_POST_TIME: 7.0s, TOOLS_POST_CALL_APPLICATIONS: 104, TOOLS_POST_CALL_TIME: 2.3s, TOOLS_POST_RETURN_APPLICATIONS: 76, TOOLS_POST_RETURN_TIME: 1.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 685, TOOLS_QUANTIFIERELIM_TIME: 10.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 964, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 114, DOMAIN_JOIN_TIME: 1.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 340, DOMAIN_ISBOTTOM_TIME: 1.4s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 4.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 76, CALL_SUMMARIZER_CACHE_MISSES: 8, 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: 29054, DAG_COMPRESSION_RETAINED_NODES: 919, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 92 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && (0 <= r)) && (1 <= v)) && ((((__int128) 2 + r) < u) || (r < 1))) && (A <= 10)) && (0 <= A)) && (v <= 5)) || (((((((0 <= ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) && (((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0)) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && (v == 1)) && ((3 + (((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)))) <= ((__int128) A + u))) && (((__int128) A + r) == (((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))))) && (A <= 10))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && (1 <= v)) && ((((__int128) 2 + r) < u) || (r < 1))) && (A <= 10)) && (0 <= A)) && (v <= 5)) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((((((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && (r <= 0)) || (((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && (((__int128) 3 + r) <= u))) && (1 <= v)) && (A <= 10)) && (0 <= A)) && (v <= 5)) - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-14 02:48:24,954 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 02:48:24,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e475bd-120c-4cd8-991e-fe33b2120611/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE