./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.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_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/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_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/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_1001d1c9-a76a-40cd-8194-b2005f8d463a/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 5fecc0272e3d3edda13fe6ca0a651d95cf8d16c414f426c1f8f27e509220a775 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:37:45,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:37:45,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:37:45,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:37:45,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:37:45,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:37:45,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:37:45,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:37:45,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:37:45,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:37:45,444 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:37:45,444 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:37:45,444 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:37:45,444 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:37:45,444 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:37:45,445 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:37:45,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:37:45,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:37:45,445 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:37:45,445 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:37:45,446 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:37:45,446 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:37:45,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:37:45,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:37:45,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:37:45,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:37:45,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:37:45,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:37:45,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:37:45,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:37:45,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:37:45,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:37:45,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:37:45,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:37:45,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:37:45,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:37:45,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:37:45,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:37:45,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:37:45,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:37:45,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:37:45,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:37:45,451 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_1001d1c9-a76a-40cd-8194-b2005f8d463a/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 -> 5fecc0272e3d3edda13fe6ca0a651d95cf8d16c414f426c1f8f27e509220a775 [2024-11-13 23:37:45,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:37:45,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:37:45,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:37:45,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:37:45,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:37:45,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c Unable to find full path for "g++" [2024-11-13 23:37:48,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:37:48,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:37:48,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound5.c [2024-11-13 23:37:48,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/data/2511f31c1/b72aa715326a4dc6865bb9b6db320a4c/FLAG94c65f782 [2024-11-13 23:37:48,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/data/2511f31c1/b72aa715326a4dc6865bb9b6db320a4c [2024-11-13 23:37:48,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:37:48,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:37:48,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:37:48,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:37:48,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:37:48,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e85eb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48, skipping insertion in model container [2024-11-13 23:37:48,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:37:48,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:37:48,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:37:48,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:37:48,874 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:37:48,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48 WrapperNode [2024-11-13 23:37:48,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:37:48,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:37:48,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:37:48,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:37:48,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,939 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-13 23:37:48,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:37:48,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:37:48,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:37:48,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:37:48,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:37:48,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:37:48,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:37:48,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:37:48,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (1/1) ... [2024-11-13 23:37:48,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:37:49,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:49,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:37:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:37:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:37:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:37:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:37:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:37:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:37:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:37:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:37:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:37:49,164 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:37:49,167 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:37:49,581 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-13 23:37:49,582 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:37:49,637 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:37:49,638 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:37:49,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:37:49 BoogieIcfgContainer [2024-11-13 23:37:49,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:37:49,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:37:49,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:37:49,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:37:49,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:37:48" (1/3) ... [2024-11-13 23:37:49,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb6a20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:37:49, skipping insertion in model container [2024-11-13 23:37:49,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:37:48" (2/3) ... [2024-11-13 23:37:49,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb6a20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:37:49, skipping insertion in model container [2024-11-13 23:37:49,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:37:49" (3/3) ... [2024-11-13 23:37:49,651 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound5.c [2024-11-13 23:37:49,671 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:37:49,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG geo1-ll_valuebound5.c that has 3 procedures, 65 locations, 1 initial locations, 1 loop locations, and 24 error locations. [2024-11-13 23:37:49,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:37:49,777 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;@29f099f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:37:49,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-13 23:37:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 32 states have (on average 1.8125) internal successors, (58), 56 states have internal predecessors, (58), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:37:49,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:49,794 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:49,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:49,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:49,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1856432248, now seen corresponding path program 1 times [2024-11-13 23:37:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:49,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684972787] [2024-11-13 23:37:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:37:49,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545866833] [2024-11-13 23:37:49,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:49,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:49,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:49,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:49,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:37:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:50,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:37:50,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:50,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:37:50,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684972787] [2024-11-13 23:37:50,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:37:50,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545866833] [2024-11-13 23:37:50,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545866833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:50,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:50,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:37:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920552491] [2024-11-13 23:37:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:50,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:37:50,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:50,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:37:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:50,179 INFO L87 Difference]: Start difference. First operand has 65 states, 32 states have (on average 1.8125) internal successors, (58), 56 states have internal predecessors, (58), 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-13 23:37:50,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:50,636 INFO L93 Difference]: Finished difference Result 113 states and 132 transitions. [2024-11-13 23:37:50,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:37:50,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 17 [2024-11-13 23:37:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:50,645 INFO L225 Difference]: With dead ends: 113 [2024-11-13 23:37:50,645 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 23:37:50,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:50,652 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 65 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:50,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 51 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:37:50,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 23:37:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2024-11-13 23:37:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 49 states have (on average 1.7346938775510203) internal successors, (85), 72 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2024-11-13 23:37:50,712 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 17 [2024-11-13 23:37:50,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:50,716 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2024-11-13 23:37:50,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-13 23:37:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2024-11-13 23:37:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:37:50,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:50,718 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:50,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:37:50,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:37:50,923 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:50,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:50,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1714824890, now seen corresponding path program 1 times [2024-11-13 23:37:50,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:50,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136584527] [2024-11-13 23:37:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:50,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:37:50,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2112343187] [2024-11-13 23:37:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:50,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:50,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:50,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:50,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:37:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:51,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:37:51,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:51,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:37:51,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136584527] [2024-11-13 23:37:51,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:37:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112343187] [2024-11-13 23:37:51,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112343187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:51,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:51,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:37:51,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843396496] [2024-11-13 23:37:51,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:51,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:37:51,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:51,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:37:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:51,103 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-13 23:37:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:51,321 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2024-11-13 23:37:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:37:51,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 18 [2024-11-13 23:37:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:51,323 INFO L225 Difference]: With dead ends: 90 [2024-11-13 23:37:51,323 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 23:37:51,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:51,324 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:51,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 45 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:37:51,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 23:37:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-13 23:37:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 51 states have (on average 1.607843137254902) internal successors, (82), 73 states have internal predecessors, (82), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:51,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2024-11-13 23:37:51,337 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 18 [2024-11-13 23:37:51,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:51,337 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2024-11-13 23:37:51,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-13 23:37:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2024-11-13 23:37:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:37:51,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:51,338 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 23:37:51,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:51,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:51,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2007331068, now seen corresponding path program 1 times [2024-11-13 23:37:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134153544] [2024-11-13 23:37:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:37:51,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115021669] [2024-11-13 23:37:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:51,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:51,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:51,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 23:37:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:51,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:37:51,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:51,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:37:51,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:51,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134153544] [2024-11-13 23:37:51,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:37:51,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115021669] [2024-11-13 23:37:51,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115021669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:51,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:51,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:37:51,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373742751] [2024-11-13 23:37:51,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:51,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:37:51,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:51,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:37:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:37:51,730 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-13 23:37:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:52,034 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2024-11-13 23:37:52,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:37:52,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 21 [2024-11-13 23:37:52,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:52,036 INFO L225 Difference]: With dead ends: 86 [2024-11-13 23:37:52,036 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 23:37:52,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:37:52,037 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 16 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:52,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 60 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:37:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 23:37:52,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-13 23:37:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 73 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-13 23:37:52,053 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 21 [2024-11-13 23:37:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:52,053 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-13 23:37:52,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-13 23:37:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-13 23:37:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:37:52,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:52,054 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:52,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:52,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-13 23:37:52,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:52,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:52,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2097721022, now seen corresponding path program 1 times [2024-11-13 23:37:52,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:52,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063178012] [2024-11-13 23:37:52,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:52,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:37:52,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:52,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063178012] [2024-11-13 23:37:52,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063178012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:37:52,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733033236] [2024-11-13 23:37:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:52,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:52,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 23:37:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:52,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:37:52,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:52,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:37:52,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733033236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:52,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:37:52,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 23:37:52,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793033645] [2024-11-13 23:37:52,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:52,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:37:52,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:37:52,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:37:52,825 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-13 23:37:53,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:53,134 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2024-11-13 23:37:53,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:37:53,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 22 [2024-11-13 23:37:53,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:53,136 INFO L225 Difference]: With dead ends: 86 [2024-11-13 23:37:53,136 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 23:37:53,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:37:53,139 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 15 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:53,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 62 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:37:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 23:37:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-13 23:37:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 73 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2024-11-13 23:37:53,157 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 22 [2024-11-13 23:37:53,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:53,159 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2024-11-13 23:37:53,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-13 23:37:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2024-11-13 23:37:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:37:53,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:53,160 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] [2024-11-13 23:37:53,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:53,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-13 23:37:53,361 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:53,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1193878166, now seen corresponding path program 1 times [2024-11-13 23:37:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687026778] [2024-11-13 23:37:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:37:53,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:53,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687026778] [2024-11-13 23:37:53,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687026778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:37:53,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308652939] [2024-11-13 23:37:53,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:53,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:53,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:53,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 23:37:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:53,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:37:53,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:37:53,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:37:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:37:53,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308652939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:37:53,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1969776414] [2024-11-13 23:37:53,905 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-13 23:37:53,905 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:37:53,908 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:37:53,914 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:37:53,914 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:37:54,798 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2024-11-13 23:37:54,806 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:37:54,808 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:37:55,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1969776414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:55,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:37:55,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [3, 3, 3] total 15 [2024-11-13 23:37:55,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295329758] [2024-11-13 23:37:55,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:55,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 23:37:55,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:55,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 23:37:55,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 23:37:55,584 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand has 13 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:37:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:56,111 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-13 23:37:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:37:56,111 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 29 [2024-11-13 23:37:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:56,112 INFO L225 Difference]: With dead ends: 86 [2024-11-13 23:37:56,112 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 23:37:56,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-13 23:37:56,114 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:56,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 65 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:37:56,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 23:37:56,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 23:37:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 73 states have internal predecessors, (75), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2024-11-13 23:37:56,126 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 29 [2024-11-13 23:37:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:56,127 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2024-11-13 23:37:56,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:37:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2024-11-13 23:37:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:37:56,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:56,128 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] [2024-11-13 23:37:56,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:56,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:56,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:56,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:56,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1916055130, now seen corresponding path program 1 times [2024-11-13 23:37:56,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:56,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248061562] [2024-11-13 23:37:56,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:56,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:56,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:56,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248061562] [2024-11-13 23:37:56,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248061562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:56,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:56,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:37:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579261665] [2024-11-13 23:37:56,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:56,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:37:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:37:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:37:56,507 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-13 23:37:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:56,879 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2024-11-13 23:37:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:37:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 33 [2024-11-13 23:37:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:56,881 INFO L225 Difference]: With dead ends: 112 [2024-11-13 23:37:56,881 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 23:37:56,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:37:56,882 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 46 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:56,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:37:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 23:37:56,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 84. [2024-11-13 23:37:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 74 states have internal predecessors, (76), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2024-11-13 23:37:56,893 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 33 [2024-11-13 23:37:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:56,894 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2024-11-13 23:37:56,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-13 23:37:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2024-11-13 23:37:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:37:56,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:56,895 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] [2024-11-13 23:37:56,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 23:37:56,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:56,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:56,895 INFO L85 PathProgramCache]: Analyzing trace with hash -731833015, now seen corresponding path program 1 times [2024-11-13 23:37:56,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:56,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255026859] [2024-11-13 23:37:56,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:56,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255026859] [2024-11-13 23:37:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255026859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:56,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:37:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637897728] [2024-11-13 23:37:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:56,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:37:56,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:56,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:37:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:37:56,982 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-13 23:37:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:57,312 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2024-11-13 23:37:57,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:37:57,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 34 [2024-11-13 23:37:57,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:57,313 INFO L225 Difference]: With dead ends: 86 [2024-11-13 23:37:57,316 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 23:37:57,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:37:57,317 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:57,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 81 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:37:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 23:37:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-13 23:37:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 75 states have internal predecessors, (77), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2024-11-13 23:37:57,332 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 34 [2024-11-13 23:37:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:57,332 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2024-11-13 23:37:57,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-13 23:37:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2024-11-13 23:37:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:37:57,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:57,334 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] [2024-11-13 23:37:57,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 23:37:57,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:57,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1211986884, now seen corresponding path program 1 times [2024-11-13 23:37:57,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:57,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759828783] [2024-11-13 23:37:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:37:57,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:57,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759828783] [2024-11-13 23:37:57,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759828783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:57,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:37:57,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:37:57,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407189592] [2024-11-13 23:37:57,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:57,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:37:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:57,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:37:57,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:57,479 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-13 23:37:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:57,915 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2024-11-13 23:37:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:37:57,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 35 [2024-11-13 23:37:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:57,916 INFO L225 Difference]: With dead ends: 85 [2024-11-13 23:37:57,916 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 23:37:57,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:37:57,917 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:57,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 56 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:37:57,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 23:37:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 23:37:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 73 states have internal predecessors, (75), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:37:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2024-11-13 23:37:57,928 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 35 [2024-11-13 23:37:57,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:57,928 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2024-11-13 23:37:57,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-13 23:37:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2024-11-13 23:37:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:37:57,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:57,929 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] [2024-11-13 23:37:57,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 23:37:57,930 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:37:57,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2028847367, now seen corresponding path program 1 times [2024-11-13 23:37:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:37:57,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636069594] [2024-11-13 23:37:57,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:57,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:37:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:37:57,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742267004] [2024-11-13 23:37:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:37:57,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:37:57,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:37:57,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:37:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:58,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:37:58,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:37:58,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:37:58,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:37:58,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636069594] [2024-11-13 23:37:58,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:37:58,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742267004] [2024-11-13 23:37:58,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742267004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:37:58,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [647032727] [2024-11-13 23:37:58,367 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:37:58,367 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:37:58,367 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:37:58,368 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:37:58,368 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:37:58,876 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2024-11-13 23:37:58,881 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:37:58,883 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:37:59,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [647032727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:37:59,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:37:59,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 17 [2024-11-13 23:37:59,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202835137] [2024-11-13 23:37:59,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:59,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 23:37:59,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:37:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 23:37:59,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2024-11-13 23:37:59,928 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 15 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:38:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:00,390 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2024-11-13 23:38:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 23:38:00,391 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 35 [2024-11-13 23:38:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:00,392 INFO L225 Difference]: With dead ends: 87 [2024-11-13 23:38:00,392 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 23:38:00,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2024-11-13 23:38:00,394 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 73 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:00,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 57 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 23:38:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 23:38:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-13 23:38:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.375) internal successors, (77), 75 states have internal predecessors, (77), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:38:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2024-11-13 23:38:00,414 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 35 [2024-11-13 23:38:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:00,415 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2024-11-13 23:38:00,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:38:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2024-11-13 23:38:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:38:00,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:00,418 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] [2024-11-13 23:38:00,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 23:38:00,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 23:38:00,623 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:00,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:00,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1083112363, now seen corresponding path program 1 times [2024-11-13 23:38:00,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:00,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629444873] [2024-11-13 23:38:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:38:00,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:00,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629444873] [2024-11-13 23:38:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629444873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:00,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:38:00,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:38:00,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282229407] [2024-11-13 23:38:00,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:00,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:38:00,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:38:00,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:38:00,695 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 23:38:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:01,216 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2024-11-13 23:38:01,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:38:01,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 36 [2024-11-13 23:38:01,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:01,217 INFO L225 Difference]: With dead ends: 85 [2024-11-13 23:38:01,218 INFO L226 Difference]: Without dead ends: 76 [2024-11-13 23:38:01,218 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 [2024-11-13 23:38:01,218 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:01,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 58 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:38:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-13 23:38:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-13 23:38:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 66 states have internal predecessors, (67), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:38:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-13 23:38:01,230 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 36 [2024-11-13 23:38:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:01,230 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-13 23:38:01,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 23:38:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-13 23:38:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:38:01,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:01,231 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:01,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 23:38:01,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:01,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:01,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1682764113, now seen corresponding path program 1 times [2024-11-13 23:38:01,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:01,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102909220] [2024-11-13 23:38:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:01,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053175340] [2024-11-13 23:38:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:01,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:01,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:01,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:01,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 23:38:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:01,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:01,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:38:01,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:01,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102909220] [2024-11-13 23:38:01,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:38:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053175340] [2024-11-13 23:38:01,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053175340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1527821112] [2024-11-13 23:38:01,717 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:38:01,717 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:38:01,719 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:38:01,719 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:38:01,720 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:38:03,531 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:38:03,542 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:38:03,544 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:38:07,792 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2866#(exists ((|v_ULTIMATE.start_main_~z~0#1_58| Int) (|v_ULTIMATE.start_main_~x~0#1_63| Int)) (and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= (+ 9223372036854775809 (* |v_ULTIMATE.start_main_~x~0#1_63| |v_ULTIMATE.start_main_~z~0#1_58|)) 0) (<= |v_ULTIMATE.start_main_~z~0#1_58| 5) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (exists ((|v_ULTIMATE.start_main_~y~0#1_39| Int) (|v_ULTIMATE.start_main_~x~0#1_62| Int)) (and (= (* |v_ULTIMATE.start_main_~y~0#1_39| |v_ULTIMATE.start_main_~z~0#1_58|) |ULTIMATE.start_main_~y~0#1|) (<= 0 (+ (* |v_ULTIMATE.start_main_~x~0#1_62| |v_ULTIMATE.start_main_~z~0#1_58|) 9223372036854775808)) (= (+ |v_ULTIMATE.start_main_~x~0#1_62| |v_ULTIMATE.start_main_~y~0#1_39|) (+ (* |v_ULTIMATE.start_main_~x~0#1_62| |v_ULTIMATE.start_main_~z~0#1_58|) 1)) (= |v_ULTIMATE.start_main_~x~0#1_63| (+ (* |v_ULTIMATE.start_main_~x~0#1_62| |v_ULTIMATE.start_main_~z~0#1_58|) 1)) (<= 0 (+ (* |v_ULTIMATE.start_main_~y~0#1_39| |v_ULTIMATE.start_main_~z~0#1_58|) 9223372036854775808))))))' at error location [2024-11-13 23:38:07,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:38:07,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:38:07,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 23:38:07,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868449188] [2024-11-13 23:38:07,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 23:38:07,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:38:07,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:07,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:38:07,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:38:07,795 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 6 states, 4 states have (on average 6.5) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 23:38:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:07,985 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-13 23:38:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:38:07,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 6.5) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 38 [2024-11-13 23:38:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:07,987 INFO L225 Difference]: With dead ends: 76 [2024-11-13 23:38:07,987 INFO L226 Difference]: Without dead ends: 73 [2024-11-13 23:38:07,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:38:07,988 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 41 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:07,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 70 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:38:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-13 23:38:07,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-13 23:38:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 63 states have internal predecessors, (64), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 23:38:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2024-11-13 23:38:07,997 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 38 [2024-11-13 23:38:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:07,997 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2024-11-13 23:38:07,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 6.5) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 23:38:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2024-11-13 23:38:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:38:07,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:07,999 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] [2024-11-13 23:38:08,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:08,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 23:38:08,199 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:08,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash -626079901, now seen corresponding path program 1 times [2024-11-13 23:38:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517458460] [2024-11-13 23:38:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:08,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [592326566] [2024-11-13 23:38:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:08,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:08,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:08,220 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:08,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 23:38:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:08,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:08,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:38:08,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:08,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:08,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517458460] [2024-11-13 23:38:08,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:38:08,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592326566] [2024-11-13 23:38:08,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592326566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:08,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [238384841] [2024-11-13 23:38:08,947 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:38:08,947 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:38:08,947 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:38:08,947 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:38:08,948 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:38:10,334 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:38:10,350 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:38:10,351 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:38:14,275 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3230#(exists ((|v_ULTIMATE.start_main_~z~0#1_59| Int) (|v_ULTIMATE.start_main_~x~0#1_70| Int)) (and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= |v_ULTIMATE.start_main_~z~0#1_59| 5) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_69| Int) (|v_ULTIMATE.start_main_~y~0#1_44| Int)) (and (= (* |v_ULTIMATE.start_main_~y~0#1_44| |v_ULTIMATE.start_main_~z~0#1_59|) |ULTIMATE.start_main_~y~0#1|) (<= (* |v_ULTIMATE.start_main_~x~0#1_69| |v_ULTIMATE.start_main_~z~0#1_59|) 9223372036854775806) (= |v_ULTIMATE.start_main_~x~0#1_70| (+ (* |v_ULTIMATE.start_main_~x~0#1_69| |v_ULTIMATE.start_main_~z~0#1_59|) 1)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_69| |v_ULTIMATE.start_main_~z~0#1_59|) 1) (+ |v_ULTIMATE.start_main_~x~0#1_69| |v_ULTIMATE.start_main_~y~0#1_44|)) (<= (* |v_ULTIMATE.start_main_~y~0#1_44| |v_ULTIMATE.start_main_~z~0#1_59|) 9223372036854775807))) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_70| |v_ULTIMATE.start_main_~z~0#1_59|))))' at error location [2024-11-13 23:38:14,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:38:14,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:38:14,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 23:38:14,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897636082] [2024-11-13 23:38:14,276 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 23:38:14,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:38:14,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:14,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:38:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:38:14,278 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 23:38:14,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:14,479 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2024-11-13 23:38:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:38:14,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 39 [2024-11-13 23:38:14,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:14,480 INFO L225 Difference]: With dead ends: 99 [2024-11-13 23:38:14,480 INFO L226 Difference]: Without dead ends: 96 [2024-11-13 23:38:14,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:38:14,482 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 63 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:14,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 53 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:38:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-13 23:38:14,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2024-11-13 23:38:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.375) internal successors, (88), 79 states have internal predecessors, (88), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2024-11-13 23:38:14,495 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 39 [2024-11-13 23:38:14,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:14,497 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2024-11-13 23:38:14,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 23:38:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2024-11-13 23:38:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:38:14,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:14,499 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] [2024-11-13 23:38:14,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 23:38:14,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 23:38:14,701 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:14,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:14,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2066359601, now seen corresponding path program 1 times [2024-11-13 23:38:14,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:14,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956497210] [2024-11-13 23:38:14,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:14,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:14,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689928296] [2024-11-13 23:38:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:14,725 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:14,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 23:38:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:14,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:38:14,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:38:14,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:38:15,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:15,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956497210] [2024-11-13 23:38:15,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:38:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689928296] [2024-11-13 23:38:15,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689928296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:38:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [412485206] [2024-11-13 23:38:15,111 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:38:15,111 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:38:15,111 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:38:15,111 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:38:15,111 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:38:16,256 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:38:16,263 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:38:16,264 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:38:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [412485206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:19,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:38:19,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [6, 3] total 33 [2024-11-13 23:38:19,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217130258] [2024-11-13 23:38:19,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:19,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 23:38:19,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:19,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 23:38:19,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=900, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 23:38:19,974 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:38:23,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:23,607 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2024-11-13 23:38:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 23:38:23,608 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2024-11-13 23:38:23,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:23,609 INFO L225 Difference]: With dead ends: 90 [2024-11-13 23:38:23,609 INFO L226 Difference]: Without dead ends: 82 [2024-11-13 23:38:23,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 23:38:23,610 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 90 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:23,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 54 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 23:38:23,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-13 23:38:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-13 23:38:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.140625) internal successors, (73), 71 states have internal predecessors, (73), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2024-11-13 23:38:23,623 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 40 [2024-11-13 23:38:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:23,624 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2024-11-13 23:38:23,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 23:38:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2024-11-13 23:38:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:38:23,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:23,625 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:23,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:23,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 23:38:23,826 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:23,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:23,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1767922287, now seen corresponding path program 1 times [2024-11-13 23:38:23,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:23,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209279801] [2024-11-13 23:38:23,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:38:23,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:23,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209279801] [2024-11-13 23:38:23,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209279801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:23,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:38:23,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:38:23,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109288340] [2024-11-13 23:38:23,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:23,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:38:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:23,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:38:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:38:23,915 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:24,053 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2024-11-13 23:38:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:38:24,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-13 23:38:24,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:24,055 INFO L225 Difference]: With dead ends: 82 [2024-11-13 23:38:24,055 INFO L226 Difference]: Without dead ends: 81 [2024-11-13 23:38:24,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:38:24,056 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 7 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:24,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 39 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:38:24,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-13 23:38:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-13 23:38:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.125) internal successors, (72), 70 states have internal predecessors, (72), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2024-11-13 23:38:24,072 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 52 [2024-11-13 23:38:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:24,072 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2024-11-13 23:38:24,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2024-11-13 23:38:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:38:24,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:24,076 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:24,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 23:38:24,077 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:24,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1028983856, now seen corresponding path program 1 times [2024-11-13 23:38:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:24,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125851819] [2024-11-13 23:38:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 23:38:24,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125851819] [2024-11-13 23:38:24,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125851819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:24,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:38:24,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:38:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665174864] [2024-11-13 23:38:24,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:24,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:38:24,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:38:24,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:38:24,226 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:24,556 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2024-11-13 23:38:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:38:24,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-13 23:38:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:24,557 INFO L225 Difference]: With dead ends: 81 [2024-11-13 23:38:24,557 INFO L226 Difference]: Without dead ends: 80 [2024-11-13 23:38:24,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:38:24,558 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:24,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 40 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:38:24,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-13 23:38:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-13 23:38:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.109375) internal successors, (71), 69 states have internal predecessors, (71), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-13 23:38:24,571 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 53 [2024-11-13 23:38:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:24,571 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-13 23:38:24,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-13 23:38:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:38:24,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:24,572 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:24,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 23:38:24,572 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:24,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1833728367, now seen corresponding path program 1 times [2024-11-13 23:38:24,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:24,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651349752] [2024-11-13 23:38:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:24,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:38:24,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:24,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651349752] [2024-11-13 23:38:24,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651349752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:24,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:38:24,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:38:24,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080396043] [2024-11-13 23:38:24,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:24,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:38:24,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:24,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:38:24,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:38:24,700 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:24,829 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2024-11-13 23:38:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:38:24,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-13 23:38:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:24,830 INFO L225 Difference]: With dead ends: 80 [2024-11-13 23:38:24,830 INFO L226 Difference]: Without dead ends: 79 [2024-11-13 23:38:24,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:38:24,831 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:24,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 52 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:38:24,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-13 23:38:24,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-13 23:38:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 64 states have (on average 1.09375) internal successors, (70), 68 states have internal predecessors, (70), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2024-11-13 23:38:24,844 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 54 [2024-11-13 23:38:24,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:24,844 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2024-11-13 23:38:24,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-11-13 23:38:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:38:24,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:24,846 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:24,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 23:38:24,846 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:24,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1011004430, now seen corresponding path program 1 times [2024-11-13 23:38:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:24,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115099159] [2024-11-13 23:38:24,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:38:25,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115099159] [2024-11-13 23:38:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115099159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890148638] [2024-11-13 23:38:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:25,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:25,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:25,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 23:38:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:25,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:25,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:38:31,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:38:31,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890148638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:38:31,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:38:31,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2024-11-13 23:38:31,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713897707] [2024-11-13 23:38:31,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:38:31,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:38:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:31,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:38:31,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-13 23:38:31,183 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 6 states, 4 states have (on average 10.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:33,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:38:35,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:38:35,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:35,899 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2024-11-13 23:38:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:38:35,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 10.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-13 23:38:35,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:35,901 INFO L225 Difference]: With dead ends: 79 [2024-11-13 23:38:35,901 INFO L226 Difference]: Without dead ends: 72 [2024-11-13 23:38:35,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:38:35,902 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 33 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:35,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 93 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 23:38:35,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-13 23:38:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-13 23:38:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 61 states have internal predecessors, (62), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 23:38:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2024-11-13 23:38:35,919 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 55 [2024-11-13 23:38:35,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:35,919 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2024-11-13 23:38:35,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 10.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 23:38:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2024-11-13 23:38:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:38:35,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:35,921 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:35,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 23:38:36,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 23:38:36,121 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:36,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1964468094, now seen corresponding path program 1 times [2024-11-13 23:38:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:36,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258389082] [2024-11-13 23:38:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621484086] [2024-11-13 23:38:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:36,154 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:36,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 23:38:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:36,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:38:36,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:38:36,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:38:39,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258389082] [2024-11-13 23:38:39,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:38:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621484086] [2024-11-13 23:38:39,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621484086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:38:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [385692778] [2024-11-13 23:38:39,651 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:38:39,651 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:38:39,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:38:39,652 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:38:39,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:38:40,988 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:38:40,998 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:38:41,000 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:38:46,968 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5258#(and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~z~0#1_70| Int) (|v_ULTIMATE.start_main_~x~0#1_89| Int) (|v_ULTIMATE.start_main_~y~0#1_60| Int)) (and (<= 0 (+ 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_89| |v_ULTIMATE.start_main_~z~0#1_70|))) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_89| |v_ULTIMATE.start_main_~z~0#1_70|) 1) |ULTIMATE.start_main_~x~0#1|) (<= |v_ULTIMATE.start_main_~z~0#1_70| 5) (<= 1 |v_ULTIMATE.start_main_~z~0#1_70|) (<= (+ 9223372036854775809 (* |v_ULTIMATE.start_main_~y~0#1_60| |v_ULTIMATE.start_main_~z~0#1_70|)) 0) (= (+ |v_ULTIMATE.start_main_~x~0#1_89| |v_ULTIMATE.start_main_~y~0#1_60|) (+ (* |v_ULTIMATE.start_main_~x~0#1_89| |v_ULTIMATE.start_main_~z~0#1_70|) 1)))) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|))' at error location [2024-11-13 23:38:46,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:38:46,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:38:46,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-13 23:38:46,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602325940] [2024-11-13 23:38:46,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 23:38:46,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 23:38:46,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 23:38:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1170, Unknown=1, NotChecked=0, Total=1406 [2024-11-13 23:38:46,971 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand has 12 states, 9 states have (on average 8.777777777777779) internal successors, (79), 12 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 6 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-13 23:38:49,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:49,341 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2024-11-13 23:38:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:38:49,342 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 8.777777777777779) internal successors, (79), 12 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 6 states have call predecessors, (12), 7 states have call successors, (12) Word has length 56 [2024-11-13 23:38:49,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:49,343 INFO L225 Difference]: With dead ends: 113 [2024-11-13 23:38:49,343 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 23:38:49,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=318, Invalid=1751, Unknown=1, NotChecked=0, Total=2070 [2024-11-13 23:38:49,344 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 151 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:49,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 100 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 23:38:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 23:38:49,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-13 23:38:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.0947368421052632) internal successors, (104), 98 states have internal predecessors, (104), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 23:38:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2024-11-13 23:38:49,361 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 56 [2024-11-13 23:38:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:49,362 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2024-11-13 23:38:49,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 8.777777777777779) internal successors, (79), 12 states have internal predecessors, (79), 7 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 6 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-13 23:38:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2024-11-13 23:38:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 23:38:49,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:49,363 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:49,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 23:38:49,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 23:38:49,568 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:49,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:49,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1004381606, now seen corresponding path program 2 times [2024-11-13 23:38:49,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:49,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510430262] [2024-11-13 23:38:49,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:49,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:49,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136980359] [2024-11-13 23:38:49,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 23:38:49,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:49,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:49,615 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:49,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 23:38:49,744 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 23:38:49,744 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:38:49,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:38:49,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 23:38:49,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:50,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510430262] [2024-11-13 23:38:50,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:38:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136980359] [2024-11-13 23:38:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136980359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:50,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2862408] [2024-11-13 23:38:50,456 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:38:50,456 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:38:50,457 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:38:50,457 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:38:50,457 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:38:51,617 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:38:51,626 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:38:51,628 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:38:55,797 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5789#(exists ((|v_ULTIMATE.start_main_~x~0#1_97| Int) (|v_ULTIMATE.start_main_~z~0#1_71| Int)) (and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_97| |v_ULTIMATE.start_main_~z~0#1_71|)) (<= |v_ULTIMATE.start_main_~z~0#1_71| 5) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_96| Int) (|v_ULTIMATE.start_main_~y~0#1_65| Int)) (and (<= (* |v_ULTIMATE.start_main_~x~0#1_96| |v_ULTIMATE.start_main_~z~0#1_71|) 9223372036854775806) (= |v_ULTIMATE.start_main_~x~0#1_97| (+ (* |v_ULTIMATE.start_main_~x~0#1_96| |v_ULTIMATE.start_main_~z~0#1_71|) 1)) (= |ULTIMATE.start_main_~y~0#1| (* |v_ULTIMATE.start_main_~y~0#1_65| |v_ULTIMATE.start_main_~z~0#1_71|)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_96| |v_ULTIMATE.start_main_~z~0#1_71|) 1) (+ |v_ULTIMATE.start_main_~x~0#1_96| |v_ULTIMATE.start_main_~y~0#1_65|)) (<= (* |v_ULTIMATE.start_main_~y~0#1_65| |v_ULTIMATE.start_main_~z~0#1_71|) 9223372036854775807)))))' at error location [2024-11-13 23:38:55,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:38:55,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:38:55,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 23:38:55,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754405484] [2024-11-13 23:38:55,797 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 23:38:55,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:38:55,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:38:55,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:38:55,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=981, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 23:38:55,798 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand has 7 states, 5 states have (on average 9.0) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:38:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:38:55,994 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2024-11-13 23:38:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:38:55,994 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.0) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2024-11-13 23:38:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:38:55,995 INFO L225 Difference]: With dead ends: 113 [2024-11-13 23:38:55,995 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 23:38:55,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=209, Invalid=981, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 23:38:55,996 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:38:55,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 62 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:38:55,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 23:38:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-13 23:38:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.0736842105263158) internal successors, (102), 98 states have internal predecessors, (102), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 23:38:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2024-11-13 23:38:56,022 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 60 [2024-11-13 23:38:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:38:56,023 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2024-11-13 23:38:56,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.0) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:38:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2024-11-13 23:38:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 23:38:56,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:56,025 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:56,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 23:38:56,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:56,226 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:38:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1538059213, now seen corresponding path program 1 times [2024-11-13 23:38:56,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:56,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609384630] [2024-11-13 23:38:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:38:56,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511334649] [2024-11-13 23:38:56,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:56,261 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:56,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 23:38:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:56,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:38:56,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:38:56,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:39:06,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609384630] [2024-11-13 23:39:06,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511334649] [2024-11-13 23:39:06,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511334649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:39:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [128609191] [2024-11-13 23:39:07,000 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:39:07,000 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:07,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:07,000 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:07,000 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:08,051 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:39:08,061 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:39:08,062 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:15,006 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6555#(and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 5) (exists ((|v_ULTIMATE.start_main_~y~0#1_75| Int) (|v_ULTIMATE.start_main_~x~0#1_109| Int) (|v_ULTIMATE.start_main_~z~0#1_76| Int)) (and (<= (* |v_ULTIMATE.start_main_~x~0#1_109| |v_ULTIMATE.start_main_~z~0#1_76|) 9223372036854775806) (<= |v_ULTIMATE.start_main_~z~0#1_76| 5) (<= 1 |v_ULTIMATE.start_main_~z~0#1_76|) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_109| |v_ULTIMATE.start_main_~z~0#1_76|) 1) (+ |v_ULTIMATE.start_main_~x~0#1_109| |v_ULTIMATE.start_main_~y~0#1_75|)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_109| |v_ULTIMATE.start_main_~z~0#1_76|) 1) |ULTIMATE.start_main_~x~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_75| |v_ULTIMATE.start_main_~z~0#1_76|)))) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|))' at error location [2024-11-13 23:39:15,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:39:15,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:39:15,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-13 23:39:15,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712313318] [2024-11-13 23:39:15,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:15,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 23:39:15,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:15,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 23:39:15,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1314, Unknown=0, NotChecked=0, Total=1560 [2024-11-13 23:39:15,008 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand has 14 states, 11 states have (on average 10.636363636363637) internal successors, (117), 14 states have internal predecessors, (117), 9 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (14), 8 states have call predecessors, (14), 9 states have call successors, (14) [2024-11-13 23:39:21,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:21,290 INFO L93 Difference]: Finished difference Result 151 states and 170 transitions. [2024-11-13 23:39:21,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 23:39:21,290 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 10.636363636363637) internal successors, (117), 14 states have internal predecessors, (117), 9 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (14), 8 states have call predecessors, (14), 9 states have call successors, (14) Word has length 78 [2024-11-13 23:39:21,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:21,292 INFO L225 Difference]: With dead ends: 151 [2024-11-13 23:39:21,292 INFO L226 Difference]: Without dead ends: 150 [2024-11-13 23:39:21,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=380, Invalid=2170, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 23:39:21,294 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 184 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:21,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 160 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 23:39:21,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-13 23:39:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-13 23:39:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 132 states have (on average 1.0909090909090908) internal successors, (144), 135 states have internal predecessors, (144), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 23:39:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 166 transitions. [2024-11-13 23:39:21,317 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 166 transitions. Word has length 78 [2024-11-13 23:39:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:21,318 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 166 transitions. [2024-11-13 23:39:21,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 10.636363636363637) internal successors, (117), 14 states have internal predecessors, (117), 9 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (14), 8 states have call predecessors, (14), 9 states have call successors, (14) [2024-11-13 23:39:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2024-11-13 23:39:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 23:39:21,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:21,319 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:21,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 23:39:21,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:21,520 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:39:21,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:21,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1610946499, now seen corresponding path program 3 times [2024-11-13 23:39:21,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992745367] [2024-11-13 23:39:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:21,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147805965] [2024-11-13 23:39:21,540 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 23:39:21,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:21,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:21,543 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:21,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 23:39:21,719 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 23:39:21,719 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:39:21,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:39:21,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:39:22,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:23,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992745367] [2024-11-13 23:39:23,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147805965] [2024-11-13 23:39:23,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147805965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [33884697] [2024-11-13 23:39:23,609 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:39:23,609 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:23,609 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:23,609 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:23,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:24,579 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:39:24,586 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:39:24,587 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:31,402 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7247#(exists ((|v_ULTIMATE.start_main_~z~0#1_79| Int) (|v_ULTIMATE.start_main_~x~0#1_120| Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_119| Int) (|v_ULTIMATE.start_main_~y~0#1_83| Int)) (and (<= (* |v_ULTIMATE.start_main_~y~0#1_83| |v_ULTIMATE.start_main_~z~0#1_79|) 9223372036854775807) (= (+ |v_ULTIMATE.start_main_~x~0#1_119| |v_ULTIMATE.start_main_~y~0#1_83|) (+ (* |v_ULTIMATE.start_main_~x~0#1_119| |v_ULTIMATE.start_main_~z~0#1_79|) 1)) (= |ULTIMATE.start_main_~y~0#1| (* |v_ULTIMATE.start_main_~y~0#1_83| |v_ULTIMATE.start_main_~z~0#1_79|)) (<= (* |v_ULTIMATE.start_main_~x~0#1_119| |v_ULTIMATE.start_main_~z~0#1_79|) 9223372036854775806) (= |v_ULTIMATE.start_main_~x~0#1_120| (+ (* |v_ULTIMATE.start_main_~x~0#1_119| |v_ULTIMATE.start_main_~z~0#1_79|) 1)))) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_120| |v_ULTIMATE.start_main_~z~0#1_79|)) (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |v_ULTIMATE.start_main_~z~0#1_79| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|)))' at error location [2024-11-13 23:39:31,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:39:31,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:31,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 23:39:31,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582057430] [2024-11-13 23:39:31,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:31,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 23:39:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:31,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 23:39:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1444, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 23:39:31,405 INFO L87 Difference]: Start difference. First operand 150 states and 166 transitions. Second operand has 13 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 6 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-13 23:39:31,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:31,779 INFO L93 Difference]: Finished difference Result 152 states and 166 transitions. [2024-11-13 23:39:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 23:39:31,780 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 6 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2024-11-13 23:39:31,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:31,781 INFO L225 Difference]: With dead ends: 152 [2024-11-13 23:39:31,782 INFO L226 Difference]: Without dead ends: 150 [2024-11-13 23:39:31,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=278, Invalid=1444, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 23:39:31,783 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 57 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:31,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 118 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:31,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-13 23:39:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-13 23:39:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 132 states have (on average 1.0757575757575757) internal successors, (142), 135 states have internal predecessors, (142), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 23:39:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 164 transitions. [2024-11-13 23:39:31,805 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 164 transitions. Word has length 81 [2024-11-13 23:39:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:31,805 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 164 transitions. [2024-11-13 23:39:31,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.4) internal successors, (64), 12 states have internal predecessors, (64), 6 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-13 23:39:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 164 transitions. [2024-11-13 23:39:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 23:39:31,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:31,806 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:31,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 23:39:32,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:32,007 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:39:32,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:32,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1292109306, now seen corresponding path program 4 times [2024-11-13 23:39:32,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:32,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373742456] [2024-11-13 23:39:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:39:32,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1091615095] [2024-11-13 23:39:32,044 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 23:39:32,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:32,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:32,049 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 23:39:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:32,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:39:32,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 129 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 23:39:33,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:34,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:34,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373742456] [2024-11-13 23:39:34,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 23:39:34,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091615095] [2024-11-13 23:39:34,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091615095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:34,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1359822551] [2024-11-13 23:39:34,900 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:39:34,900 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:34,900 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:34,900 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:34,901 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:36,026 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:39:36,037 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:39:36,038 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:42,665 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7984#(exists ((|v_ULTIMATE.start_main_~x~0#1_132| Int) (|v_ULTIMATE.start_main_~z~0#1_82| Int)) (and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_131| Int) (|v_ULTIMATE.start_main_~y~0#1_93| Int)) (and (= (+ (* |v_ULTIMATE.start_main_~x~0#1_131| |v_ULTIMATE.start_main_~z~0#1_82|) 1) (+ |v_ULTIMATE.start_main_~x~0#1_131| |v_ULTIMATE.start_main_~y~0#1_93|)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_131| |v_ULTIMATE.start_main_~z~0#1_82|) 1) |v_ULTIMATE.start_main_~x~0#1_132|) (<= (* |v_ULTIMATE.start_main_~x~0#1_131| |v_ULTIMATE.start_main_~z~0#1_82|) 9223372036854775806) (= |ULTIMATE.start_main_~y~0#1| (* |v_ULTIMATE.start_main_~y~0#1_93| |v_ULTIMATE.start_main_~z~0#1_82|)) (<= (* |v_ULTIMATE.start_main_~y~0#1_93| |v_ULTIMATE.start_main_~z~0#1_82|) 9223372036854775807))) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= |v_ULTIMATE.start_main_~z~0#1_82| 5) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_132| |v_ULTIMATE.start_main_~z~0#1_82|))))' at error location [2024-11-13 23:39:42,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:39:42,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-13 23:39:42,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945266741] [2024-11-13 23:39:42,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:42,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 23:39:42,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:42,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 23:39:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1679, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 23:39:42,668 INFO L87 Difference]: Start difference. First operand 150 states and 164 transitions. Second operand has 16 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 15 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-13 23:39:43,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:43,529 INFO L93 Difference]: Finished difference Result 153 states and 165 transitions. [2024-11-13 23:39:43,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:39:43,530 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 15 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 102 [2024-11-13 23:39:43,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:43,532 INFO L225 Difference]: With dead ends: 153 [2024-11-13 23:39:43,532 INFO L226 Difference]: Without dead ends: 151 [2024-11-13 23:39:43,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=301, Invalid=1679, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 23:39:43,534 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 47 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:43,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 229 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 23:39:43,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-13 23:39:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 150. [2024-11-13 23:39:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 132 states have (on average 1.0606060606060606) internal successors, (140), 135 states have internal predecessors, (140), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 23:39:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 162 transitions. [2024-11-13 23:39:43,563 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 162 transitions. Word has length 102 [2024-11-13 23:39:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:43,563 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 162 transitions. [2024-11-13 23:39:43,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 15 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-13 23:39:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2024-11-13 23:39:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 23:39:43,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:43,566 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:43,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 23:39:43,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 23:39:43,766 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 23:39:43,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:43,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1640871481, now seen corresponding path program 2 times [2024-11-13 23:39:43,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:43,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329088585] [2024-11-13 23:39:43,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 137 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 23:39:44,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329088585] [2024-11-13 23:39:44,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329088585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936168123] [2024-11-13 23:39:44,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 23:39:44,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:44,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:44,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 23:39:44,563 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-13 23:39:44,563 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:39:44,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:39:44,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 23:39:45,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 23:39:45,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936168123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:39:45,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1575253911] [2024-11-13 23:39:45,541 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-13 23:39:45,542 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:45,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:45,542 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:45,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:46,645 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2024-11-13 23:39:46,658 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-13 23:39:46,659 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:51,752 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9086#(and (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (exists ((|v_ULTIMATE.start_main_~y~0#1_103| Int) (|v_ULTIMATE.start_main_~z~0#1_83| Int) (|v_ULTIMATE.start_main_~x~0#1_142| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_83| 5) (<= 0 (+ 9223372036854775808 (* |v_ULTIMATE.start_main_~x~0#1_142| |v_ULTIMATE.start_main_~z~0#1_83|))) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_142| |v_ULTIMATE.start_main_~z~0#1_83|) 1) (+ |v_ULTIMATE.start_main_~y~0#1_103| |v_ULTIMATE.start_main_~x~0#1_142|)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_142| |v_ULTIMATE.start_main_~z~0#1_83|) 1) |ULTIMATE.start_main_~x~0#1|) (<= 1 |v_ULTIMATE.start_main_~z~0#1_83|) (<= (+ 9223372036854775809 (* |v_ULTIMATE.start_main_~y~0#1_103| |v_ULTIMATE.start_main_~z~0#1_83|)) 0))))' at error location [2024-11-13 23:39:51,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:39:51,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:39:51,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-13 23:39:51,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937600296] [2024-11-13 23:39:51,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:51,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 23:39:51,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:51,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 23:39:51,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 23:39:51,754 INFO L87 Difference]: Start difference. First operand 150 states and 162 transitions. Second operand has 16 states, 15 states have (on average 12.733333333333333) internal successors, (191), 14 states have internal predecessors, (191), 14 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-13 23:39:51,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:51,885 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2024-11-13 23:39:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 23:39:51,886 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.733333333333333) internal successors, (191), 14 states have internal predecessors, (191), 14 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) Word has length 119 [2024-11-13 23:39:51,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:51,886 INFO L225 Difference]: With dead ends: 152 [2024-11-13 23:39:51,887 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:39:51,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=326, Invalid=1480, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 23:39:51,888 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:51,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:39:51,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:39:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:39:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:39:51,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2024-11-13 23:39:51,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:51,890 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:39:51,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.733333333333333) internal successors, (191), 14 states have internal predecessors, (191), 14 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-13 23:39:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:39:51,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:39:51,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-13 23:39:51,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-13 23:39:51,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-13 23:39:51,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-13 23:39:51,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-13 23:39:51,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-13 23:39:51,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-13 23:39:51,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 23:39:52,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 23:39:52,099 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:52,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:40:01,447 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 116 DAG size of output: 92 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-13 23:40:01,655 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:40:01,668 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,672 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:40:01,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,681 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,683 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:40:01,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:01,691 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:01,692 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:40:01,698 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,699 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:40:01,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:40:01 BoogieIcfgContainer [2024-11-13 23:40:01,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:40:01,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:40:01,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:40:01,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:40:01,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:37:49" (3/4) ... [2024-11-13 23:40:01,706 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:40:01,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:40:01,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:40:01,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 23:40:01,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:40:01,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:40:01,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:40:01,797 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:40:01,798 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:40:01,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:40:01,799 INFO L158 Benchmark]: Toolchain (without parser) took 133279.76ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 92.1MB in the beginning and 226.8MB in the end (delta: -134.6MB). Peak memory consumption was 351.3MB. Max. memory is 16.1GB. [2024-11-13 23:40:01,800 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.7MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:01,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.19ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:01,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.43ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:01,801 INFO L158 Benchmark]: Boogie Preprocessor took 35.08ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.2MB in the end (delta: 411.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:01,801 INFO L158 Benchmark]: RCFGBuilder took 662.11ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 63.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:40:01,801 INFO L158 Benchmark]: TraceAbstraction took 132060.65ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 63.4MB in the beginning and 231.0MB in the end (delta: -167.6MB). Peak memory consumption was 317.8MB. Max. memory is 16.1GB. [2024-11-13 23:40:01,802 INFO L158 Benchmark]: Witness Printer took 95.57ms. Allocated memory is still 604.0MB. Free memory was 231.0MB in the beginning and 226.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:01,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.7MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.19ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.43ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.08ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.2MB in the end (delta: 411.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.11ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 63.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 132060.65ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 63.4MB in the beginning and 231.0MB in the end (delta: -167.6MB). Peak memory consumption was 317.8MB. Max. memory is 16.1GB. * Witness Printer took 95.57ms. Allocated memory is still 604.0MB. Free memory was 231.0MB in the beginning and 226.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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: #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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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: #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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,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: #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: #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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,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: #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: #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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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: #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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,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: #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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 122.4s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 1180 SdHoareTripleChecker+Valid, 18.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1154 mSDsluCounter, 1989 SdHoareTripleChecker+Invalid, 17.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1362 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4496 IncrementalHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 627 mSDtfsCounter, 4496 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1953 GetRequests, 1521 SyntacticMatches, 9 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4789 ImplicationChecksByTransitivity, 68.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=20, InterpolantAutomatonStates: 183, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 44 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 30.2s InterpolantComputationTime, 1917 NumberOfCodeBlocks, 1914 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1622 ConstructedInterpolants, 15 QuantifiedInterpolants, 10881 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1660 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 32 InterpolantComputations, 12 PerfectInterpolantSequences, 987/1483 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: 2.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 97, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME: 0.9s, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME: 0.8s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 212, TOOLS_QUANTIFIERELIM_TIME: 1.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 289, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 97, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 6, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1888, DAG_COMPRESSION_RETAINED_NODES: 253, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((((((__int128) x + y) == (((__int128) x * z) + 1)) && (z <= 5)) && (k <= 5)) && (x == (((long long) z + 1) + ((long long) z * z)))) && (c <= k)) && (3 <= c)) && (1 <= z)) || ((((((((((__int128) x + y) == (((__int128) x * z) + 1)) && (z <= 5)) && (k <= 5)) && (c <= k)) && (((long long) z + 1) <= x)) && (5 <= c)) && (x <= ((((z + (((__int128) ((long long) z * z) * z) * z)) + 1) + ((long long) z * z)) + ((__int128) ((long long) z * z) * z)))) && (1 <= z))) || (((((((y == z) && (c == 1)) && (z <= 5)) && (x == 1)) && (k <= 5)) && (1 <= k)) && (1 <= z))) || (((((((2 <= c) && (y == ((long long) z * z))) && (z <= 5)) && (k <= 5)) && (c <= k)) && (x == ((long long) z + 1))) && (1 <= z))) || (((((((((((long long) z + 1) + ((long long) z * z)) + ((__int128) ((long long) z * z) * z)) == x) && (z <= 5)) && (k <= 5)) && (c <= k)) && (y == (((__int128) ((long long) z * z) * z) * z))) && (4 <= c)) && (1 <= z))) - ProcedureContractResult [Line: 12]: 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! [2024-11-13 23:40:01,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1001d1c9-a76a-40cd-8194-b2005f8d463a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE