./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.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_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/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_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/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_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:14:13,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:14:13,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 04:14:13,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:14:13,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:14:13,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:14:13,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:14:13,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:14:13,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:14:13,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:14:13,644 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:14:13,645 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:14:13,645 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:14:13,645 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:14:13,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:14:13,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:14:13,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:14:13,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:14:13,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:14:13,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:14:13,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:13,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:14:13,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:14:13,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:14:13,650 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:14:13,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:14:13,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:14:13,650 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:14:13,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:14:13,651 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_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/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 -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-11-14 04:14:14,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:14:14,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:14:14,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:14:14,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:14:14,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:14:14,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c Unable to find full path for "g++" [2024-11-14 04:14:16,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:14:16,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:14:16,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-14 04:14:16,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/data/ce1159f8d/29b36245c76441a89b45634ebe4508d4/FLAGfcff93267 [2024-11-14 04:14:16,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/data/ce1159f8d/29b36245c76441a89b45634ebe4508d4 [2024-11-14 04:14:16,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:14:16,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:14:16,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:16,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:14:16,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:14:16,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34294f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16, skipping insertion in model container [2024-11-14 04:14:16,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:14:16,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:16,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:14:16,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:14:16,879 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:14:16,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16 WrapperNode [2024-11-14 04:14:16,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:14:16,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:16,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:14:16,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:14:16,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,919 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-14 04:14:16,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:14:16,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:14:16,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:14:16,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:14:16,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:14:16,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:14:16,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:14:16,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:14:16,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (1/1) ... [2024-11-14 04:14:16,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:14:16,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:16,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:14:16,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:14:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:14:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:14:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:14:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:14:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:14:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:14:17,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:14:17,087 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:14:17,326 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-14 04:14:17,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:14:17,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:14:17,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:14:17,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:17 BoogieIcfgContainer [2024-11-14 04:14:17,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:14:17,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:14:17,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:14:17,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:14:17,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:14:16" (1/3) ... [2024-11-14 04:14:17,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553fa959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:17, skipping insertion in model container [2024-11-14 04:14:17,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:14:16" (2/3) ... [2024-11-14 04:14:17,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553fa959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:14:17, skipping insertion in model container [2024-11-14 04:14:17,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:17" (3/3) ... [2024-11-14 04:14:17,394 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound20.c [2024-11-14 04:14:17,411 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:14:17,414 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ps2-ll_valuebound20.c that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2024-11-14 04:14:17,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:14:17,509 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;@5e347e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:14:17,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-14 04:14:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 49 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 04:14:17,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:17,518 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 04:14:17,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:17,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:17,526 INFO L85 PathProgramCache]: Analyzing trace with hash 129319, now seen corresponding path program 1 times [2024-11-14 04:14:17,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:17,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121569527] [2024-11-14 04:14:17,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:17,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:17,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:17,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121569527] [2024-11-14 04:14:17,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121569527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:17,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:14:17,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41564234] [2024-11-14 04:14:17,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:17,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:14:17,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:14:17,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:14:17,714 INFO L87 Difference]: Start difference. First operand has 53 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 49 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:17,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:17,762 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2024-11-14 04:14:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:14:17,764 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2024-11-14 04:14:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:17,772 INFO L225 Difference]: With dead ends: 73 [2024-11-14 04:14:17,772 INFO L226 Difference]: Without dead ends: 48 [2024-11-14 04:14:17,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:14:17,779 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:17,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:14:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-14 04:14:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-14 04:14:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 45 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-11-14 04:14:17,837 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 3 [2024-11-14 04:14:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:17,837 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2024-11-14 04:14:17,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-11-14 04:14:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:14:17,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:17,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:14:17,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:14:17,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:17,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:17,842 INFO L85 PathProgramCache]: Analyzing trace with hash 4008940, now seen corresponding path program 1 times [2024-11-14 04:14:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:17,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608811818] [2024-11-14 04:14:17,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:14:17,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707576268] [2024-11-14 04:14:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:17,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:14:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:17,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:14:17,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:17,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:14:17,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:17,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608811818] [2024-11-14 04:14:17,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:14:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707576268] [2024-11-14 04:14:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707576268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:17,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:17,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:14:17,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169020498] [2024-11-14 04:14:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:17,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:17,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:17,997 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:18,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:18,130 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2024-11-14 04:14:18,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:18,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 04:14:18,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:18,132 INFO L225 Difference]: With dead ends: 81 [2024-11-14 04:14:18,132 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 04:14:18,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:18,134 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 25 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:18,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 42 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:18,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 04:14:18,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2024-11-14 04:14:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 61 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2024-11-14 04:14:18,146 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 4 [2024-11-14 04:14:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:18,147 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2024-11-14 04:14:18,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-14 04:14:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:14:18,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:18,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:14:18,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:14:18,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:18,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:18,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:18,350 INFO L85 PathProgramCache]: Analyzing trace with hash 124277193, now seen corresponding path program 1 times [2024-11-14 04:14:18,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:18,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176448006] [2024-11-14 04:14:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:18,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:18,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176448006] [2024-11-14 04:14:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176448006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:18,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:14:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233262540] [2024-11-14 04:14:18,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:18,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:18,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:18,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:18,456 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:18,599 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2024-11-14 04:14:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:18,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-11-14 04:14:18,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:18,601 INFO L225 Difference]: With dead ends: 83 [2024-11-14 04:14:18,601 INFO L226 Difference]: Without dead ends: 75 [2024-11-14 04:14:18,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:18,602 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:18,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-14 04:14:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2024-11-14 04:14:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.553191489361702) internal successors, (73), 66 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2024-11-14 04:14:18,616 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 5 [2024-11-14 04:14:18,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:18,616 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2024-11-14 04:14:18,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2024-11-14 04:14:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:14:18,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:18,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:18,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:14:18,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:18,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash 80102192, now seen corresponding path program 1 times [2024-11-14 04:14:18,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331836119] [2024-11-14 04:14:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:18,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:18,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331836119] [2024-11-14 04:14:18,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331836119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:18,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:18,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:18,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024123377] [2024-11-14 04:14:18,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:18,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:14:18,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:14:18,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:18,768 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:18,988 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2024-11-14 04:14:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:14:18,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 04:14:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:18,990 INFO L225 Difference]: With dead ends: 79 [2024-11-14 04:14:18,990 INFO L226 Difference]: Without dead ends: 67 [2024-11-14 04:14:18,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:18,992 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:18,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 53 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:14:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-14 04:14:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-14 04:14:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.55) internal successors, (62), 59 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2024-11-14 04:14:19,000 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 8 [2024-11-14 04:14:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:19,000 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-11-14 04:14:19,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:14:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-14 04:14:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 04:14:19,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:19,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:19,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:14:19,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:19,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1500941028, now seen corresponding path program 1 times [2024-11-14 04:14:19,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:19,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565179606] [2024-11-14 04:14:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:19,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:19,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565179606] [2024-11-14 04:14:19,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565179606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:19,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:19,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935182397] [2024-11-14 04:14:19,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:19,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:19,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:19,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:19,098 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:19,125 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2024-11-14 04:14:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:19,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-14 04:14:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:19,126 INFO L225 Difference]: With dead ends: 65 [2024-11-14 04:14:19,126 INFO L226 Difference]: Without dead ends: 63 [2024-11-14 04:14:19,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:19,127 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:19,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 83 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:14:19,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-14 04:14:19,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-14 04:14:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.5) internal successors, (60), 59 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2024-11-14 04:14:19,134 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 15 [2024-11-14 04:14:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:19,135 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2024-11-14 04:14:19,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2024-11-14 04:14:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 04:14:19,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:19,136 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:19,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:14:19,137 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:19,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:19,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1401693856, now seen corresponding path program 1 times [2024-11-14 04:14:19,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:19,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457799097] [2024-11-14 04:14:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:19,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:19,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457799097] [2024-11-14 04:14:19,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457799097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:19,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:19,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:14:19,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601568606] [2024-11-14 04:14:19,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:19,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:14:19,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:19,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:14:19,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:19,301 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:19,453 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2024-11-14 04:14:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:14:19,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-14 04:14:19,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:19,455 INFO L225 Difference]: With dead ends: 66 [2024-11-14 04:14:19,455 INFO L226 Difference]: Without dead ends: 65 [2024-11-14 04:14:19,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:19,456 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:19,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-14 04:14:19,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2024-11-14 04:14:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 60 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2024-11-14 04:14:19,469 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 19 [2024-11-14 04:14:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:19,469 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2024-11-14 04:14:19,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2024-11-14 04:14:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:14:19,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:19,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:19,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:14:19,475 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:19,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:19,475 INFO L85 PathProgramCache]: Analyzing trace with hash -502836495, now seen corresponding path program 1 times [2024-11-14 04:14:19,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:19,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629233787] [2024-11-14 04:14:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:19,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629233787] [2024-11-14 04:14:19,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629233787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:19,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:19,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:14:19,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723813401] [2024-11-14 04:14:19,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:19,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:14:19,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:19,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:14:19,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:19,619 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:19,760 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2024-11-14 04:14:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:14:19,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-14 04:14:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:19,761 INFO L225 Difference]: With dead ends: 66 [2024-11-14 04:14:19,762 INFO L226 Difference]: Without dead ends: 65 [2024-11-14 04:14:19,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:14:19,763 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:19,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:19,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-14 04:14:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-14 04:14:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 61 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2024-11-14 04:14:19,778 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 20 [2024-11-14 04:14:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:19,778 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2024-11-14 04:14:19,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2024-11-14 04:14:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:14:19,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:19,779 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:19,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:14:19,783 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:19,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:19,783 INFO L85 PathProgramCache]: Analyzing trace with hash 843952640, now seen corresponding path program 1 times [2024-11-14 04:14:19,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:19,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151174207] [2024-11-14 04:14:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:14:19,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411080295] [2024-11-14 04:14:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:19,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:19,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:14:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:19,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:14:19,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:20,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:20,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:20,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151174207] [2024-11-14 04:14:20,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:14:20,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411080295] [2024-11-14 04:14:20,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411080295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:14:20,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [947370791] [2024-11-14 04:14:20,161 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-14 04:14:20,161 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:14:20,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:14:20,171 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:14:20,171 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:14:22,122 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-14 04:14:22,140 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:14:23,751 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1263#(exists ((|v_ULTIMATE.start_main_~y~0#1_60| Int)) (and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= 1 |v_ULTIMATE.start_main_~y~0#1_60|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_60| |v_ULTIMATE.start_main_~y~0#1_60|)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= |v_ULTIMATE.start_main_~y~0#1_60| |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 20)))' at error location [2024-11-14 04:14:23,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:14:23,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:14:23,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-14 04:14:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807499139] [2024-11-14 04:14:23,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 04:14:23,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:14:23,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:14:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-14 04:14:23,755 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:24,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:24,008 INFO L93 Difference]: Finished difference Result 131 states and 162 transitions. [2024-11-14 04:14:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:14:24,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-11-14 04:14:24,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:24,010 INFO L225 Difference]: With dead ends: 131 [2024-11-14 04:14:24,010 INFO L226 Difference]: Without dead ends: 127 [2024-11-14 04:14:24,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:14:24,011 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 105 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:24,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 76 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:14:24,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-14 04:14:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99. [2024-11-14 04:14:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 93 states have internal predecessors, (116), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2024-11-14 04:14:24,032 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 23 [2024-11-14 04:14:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:24,036 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2024-11-14 04:14:24,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2024-11-14 04:14:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 04:14:24,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:24,037 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:24,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:14:24,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 04:14:24,238 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:24,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 392728117, now seen corresponding path program 1 times [2024-11-14 04:14:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172119511] [2024-11-14 04:14:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:24,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172119511] [2024-11-14 04:14:24,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172119511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116409894] [2024-11-14 04:14:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:24,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:24,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:24,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:24,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:14:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:24,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:14:24,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:24,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:24,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116409894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:14:24,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [313581464] [2024-11-14 04:14:24,646 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-14 04:14:24,647 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:14:24,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:14:24,648 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:14:24,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:14:25,680 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-14 04:14:25,689 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:14:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [313581464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:26,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:14:26,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 21 [2024-11-14 04:14:26,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300339067] [2024-11-14 04:14:26,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:26,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 04:14:26,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:26,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 04:14:26,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:14:26,913 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:28,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:28,085 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2024-11-14 04:14:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 04:14:28,086 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-14 04:14:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:28,087 INFO L225 Difference]: With dead ends: 100 [2024-11-14 04:14:28,087 INFO L226 Difference]: Without dead ends: 91 [2024-11-14 04:14:28,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2024-11-14 04:14:28,089 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 71 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:28,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 37 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:14:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-14 04:14:28,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-14 04:14:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 77 states have (on average 1.155844155844156) internal successors, (89), 84 states have internal predecessors, (89), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2024-11-14 04:14:28,101 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 24 [2024-11-14 04:14:28,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:28,101 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2024-11-14 04:14:28,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:14:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2024-11-14 04:14:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:14:28,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:28,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:28,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:14:28,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:28,304 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:28,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:28,305 INFO L85 PathProgramCache]: Analyzing trace with hash -710330206, now seen corresponding path program 1 times [2024-11-14 04:14:28,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:28,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346565292] [2024-11-14 04:14:28,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:28,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346565292] [2024-11-14 04:14:28,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346565292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351132095] [2024-11-14 04:14:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:28,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:28,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:28,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:14:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:28,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:14:28,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:28,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:14:28,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351132095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:14:28,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [962867448] [2024-11-14 04:14:28,709 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-14 04:14:28,709 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:14:28,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:14:28,709 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:14:28,710 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:14:29,696 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-14 04:14:29,708 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:14:30,836 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2075#(and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 20))' at error location [2024-11-14 04:14:30,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:14:30,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:14:30,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-14 04:14:30,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085865631] [2024-11-14 04:14:30,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:14:30,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 04:14:30,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:30,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 04:14:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-11-14 04:14:30,840 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:14:31,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:31,045 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2024-11-14 04:14:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:14:31,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2024-11-14 04:14:31,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:31,047 INFO L225 Difference]: With dead ends: 99 [2024-11-14 04:14:31,047 INFO L226 Difference]: Without dead ends: 95 [2024-11-14 04:14:31,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:14:31,048 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:31,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 43 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-14 04:14:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-14 04:14:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 81 states have internal predecessors, (84), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-14 04:14:31,068 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 25 [2024-11-14 04:14:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:31,069 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-14 04:14:31,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:14:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-14 04:14:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 04:14:31,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:31,071 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:14:31,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:14:31,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:31,273 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:31,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1899171045, now seen corresponding path program 1 times [2024-11-14 04:14:31,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:31,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666186592] [2024-11-14 04:14:31,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:14:31,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:31,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666186592] [2024-11-14 04:14:31,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666186592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:31,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:31,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:31,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357452336] [2024-11-14 04:14:31,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:31,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:31,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:31,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,338 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:31,377 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2024-11-14 04:14:31,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:31,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-14 04:14:31,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:31,379 INFO L225 Difference]: With dead ends: 87 [2024-11-14 04:14:31,379 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 04:14:31,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,380 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:31,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 19 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:14:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 04:14:31,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-14 04:14:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 77 states have (on average 1.077922077922078) internal successors, (83), 80 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-14 04:14:31,388 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 36 [2024-11-14 04:14:31,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:31,389 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-14 04:14:31,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-14 04:14:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 04:14:31,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:31,390 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 04:14:31,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 04:14:31,390 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:31,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -600319965, now seen corresponding path program 1 times [2024-11-14 04:14:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:31,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046110682] [2024-11-14 04:14:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:31,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:14:31,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:31,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046110682] [2024-11-14 04:14:31,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046110682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:31,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:31,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:31,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467480188] [2024-11-14 04:14:31,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:31,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:31,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:31,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:31,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,448 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:31,522 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-14 04:14:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:31,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-14 04:14:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:31,524 INFO L225 Difference]: With dead ends: 86 [2024-11-14 04:14:31,524 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 04:14:31,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,525 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:31,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:31,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 04:14:31,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-14 04:14:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 79 states have internal predecessors, (82), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-14 04:14:31,535 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 39 [2024-11-14 04:14:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:31,535 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-14 04:14:31,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-14 04:14:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 04:14:31,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:31,536 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 04:14:31,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 04:14:31,537 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:31,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1381865563, now seen corresponding path program 1 times [2024-11-14 04:14:31,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:31,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051576443] [2024-11-14 04:14:31,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:31,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:14:31,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:31,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051576443] [2024-11-14 04:14:31,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051576443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:14:31,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:14:31,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:14:31,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886568615] [2024-11-14 04:14:31,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:31,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:14:31,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:31,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:14:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,651 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:31,773 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-14 04:14:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:14:31,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-14 04:14:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:31,774 INFO L225 Difference]: With dead ends: 85 [2024-11-14 04:14:31,774 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 04:14:31,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:14:31,777 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:31,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:31,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 04:14:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-14 04:14:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 70 states have internal predecessors, (71), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-14 04:14:31,789 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 41 [2024-11-14 04:14:31,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:31,791 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-14 04:14:31,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:14:31,791 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-14 04:14:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 04:14:31,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:31,792 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-11-14 04:14:31,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 04:14:31,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:31,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash -992941790, now seen corresponding path program 2 times [2024-11-14 04:14:31,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:31,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266963935] [2024-11-14 04:14:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:14:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:14:32,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:14:32,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266963935] [2024-11-14 04:14:32,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266963935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:32,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654303203] [2024-11-14 04:14:32,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:14:32,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:32,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:32,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:32,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:14:32,181 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 04:14:32,182 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:14:32,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:14:32,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:52,565 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-14 04:14:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 2 not checked. [2024-11-14 04:14:54,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:14:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-14 04:14:58,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654303203] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:14:58,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:14:58,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 18 [2024-11-14 04:14:58,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446469926] [2024-11-14 04:14:58,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:14:58,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:14:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:14:58,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:14:58,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=218, Unknown=5, NotChecked=32, Total=342 [2024-11-14 04:14:58,992 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:14:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:14:59,320 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-14 04:14:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:14:59,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2024-11-14 04:14:59,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:14:59,322 INFO L225 Difference]: With dead ends: 76 [2024-11-14 04:14:59,322 INFO L226 Difference]: Without dead ends: 75 [2024-11-14 04:14:59,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=118, Invalid=301, Unknown=5, NotChecked=38, Total=462 [2024-11-14 04:14:59,324 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 45 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:14:59,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 19 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:14:59,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-14 04:14:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-14 04:14:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.0144927536231885) internal successors, (70), 69 states have internal predecessors, (70), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:14:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2024-11-14 04:14:59,335 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 63 [2024-11-14 04:14:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:14:59,336 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2024-11-14 04:14:59,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:14:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2024-11-14 04:14:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 04:14:59,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:14:59,337 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-11-14 04:14:59,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:14:59,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:59,542 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:14:59,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:14:59,542 INFO L85 PathProgramCache]: Analyzing trace with hash -315127060, now seen corresponding path program 2 times [2024-11-14 04:14:59,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:14:59,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981845587] [2024-11-14 04:14:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:14:59,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:14:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:14:59,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803949998] [2024-11-14 04:14:59,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:14:59,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:14:59,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:14:59,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:14:59,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:14:59,681 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-14 04:14:59,681 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:14:59,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:14:59,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:14:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:14:59,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:15:00,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:15:00,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981845587] [2024-11-14 04:15:00,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:15:00,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803949998] [2024-11-14 04:15:00,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803949998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:00,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [948613721] [2024-11-14 04:15:00,327 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-14 04:15:00,327 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:15:00,329 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:15:00,329 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:15:00,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:15:01,359 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-14 04:15:01,368 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:15:04,003 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3936#(exists ((|v_ULTIMATE.start_main_~y~0#1_89| Int)) (and (<= |v_ULTIMATE.start_main_~y~0#1_89| |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_89| |v_ULTIMATE.start_main_~y~0#1_89|)) (<= 1 |v_ULTIMATE.start_main_~y~0#1_89|) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 20)))' at error location [2024-11-14 04:15:04,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:15:04,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:15:04,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-14 04:15:04,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276748255] [2024-11-14 04:15:04,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 04:15:04,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:15:04,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:15:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:15:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:15:04,007 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:15:04,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:04,758 INFO L93 Difference]: Finished difference Result 178 states and 192 transitions. [2024-11-14 04:15:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 04:15:04,759 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 80 [2024-11-14 04:15:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:04,761 INFO L225 Difference]: With dead ends: 178 [2024-11-14 04:15:04,761 INFO L226 Difference]: Without dead ends: 177 [2024-11-14 04:15:04,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 198 SyntacticMatches, 17 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-11-14 04:15:04,762 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 79 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:04,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 211 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:15:04,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-14 04:15:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-14 04:15:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 165 states have (on average 1.006060606060606) internal successors, (166), 165 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:15:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 186 transitions. [2024-11-14 04:15:04,789 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 186 transitions. Word has length 80 [2024-11-14 04:15:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:04,789 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 186 transitions. [2024-11-14 04:15:04,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:15:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 186 transitions. [2024-11-14 04:15:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-14 04:15:04,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:04,794 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-11-14 04:15:04,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:15:04,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 04:15:04,995 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:15:04,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:04,995 INFO L85 PathProgramCache]: Analyzing trace with hash 408938860, now seen corresponding path program 3 times [2024-11-14 04:15:04,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:04,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284079177] [2024-11-14 04:15:04,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:15:05,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637675419] [2024-11-14 04:15:05,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:15:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:05,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:05,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:15:05,236 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:15:05,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:15:05,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:15:05,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-14 04:15:05,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-14 04:15:06,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:15:06,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284079177] [2024-11-14 04:15:06,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:15:06,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637675419] [2024-11-14 04:15:06,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637675419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:06,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [327928690] [2024-11-14 04:15:06,785 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-14 04:15:06,785 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:15:06,785 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:15:06,786 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:15:06,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:15:07,412 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-14 04:15:07,417 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:15:11,663 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5540#(exists ((|v_ULTIMATE.start_main_~y~0#1_114| Int)) (and (<= |v_ULTIMATE.start_main_~y~0#1_114| |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_114| |v_ULTIMATE.start_main_~y~0#1_114|)) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 20) (<= 1 |v_ULTIMATE.start_main_~y~0#1_114|)))' at error location [2024-11-14 04:15:11,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:15:11,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:15:11,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-14 04:15:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632316672] [2024-11-14 04:15:11,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 04:15:11,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 04:15:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:15:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 04:15:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1112, Unknown=0, NotChecked=0, Total=1332 [2024-11-14 04:15:11,666 INFO L87 Difference]: Start difference. First operand 177 states and 186 transitions. Second operand has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:15:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:13,730 INFO L93 Difference]: Finished difference Result 382 states and 414 transitions. [2024-11-14 04:15:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 04:15:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 194 [2024-11-14 04:15:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:13,734 INFO L225 Difference]: With dead ends: 382 [2024-11-14 04:15:13,734 INFO L226 Difference]: Without dead ends: 381 [2024-11-14 04:15:13,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 504 SyntacticMatches, 41 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=460, Invalid=1702, Unknown=0, NotChecked=0, Total=2162 [2024-11-14 04:15:13,735 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 145 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:13,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 942 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 04:15:13,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-14 04:15:13,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-14 04:15:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 357 states have (on average 1.0028011204481793) internal successors, (358), 357 states have internal predecessors, (358), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:15:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 402 transitions. [2024-11-14 04:15:13,762 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 402 transitions. Word has length 194 [2024-11-14 04:15:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:13,762 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 402 transitions. [2024-11-14 04:15:13,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:15:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 402 transitions. [2024-11-14 04:15:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-14 04:15:13,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:13,770 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1] [2024-11-14 04:15:13,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:15:13,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-14 04:15:13,974 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:15:13,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1492043372, now seen corresponding path program 4 times [2024-11-14 04:15:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:13,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656554936] [2024-11-14 04:15:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 3722 proven. 271 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:15:16,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:15:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656554936] [2024-11-14 04:15:16,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656554936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:15:16,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263187458] [2024-11-14 04:15:16,252 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 04:15:16,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:16,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:16,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:16,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:15:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:16,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:15:16,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 4026 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-14 04:15:20,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:20,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263187458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:20,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:15:20,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [24] total 45 [2024-11-14 04:15:20,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436573672] [2024-11-14 04:15:20,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:20,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 04:15:20,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:15:20,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 04:15:20,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=1263, Unknown=0, NotChecked=0, Total=1980 [2024-11-14 04:15:20,047 INFO L87 Difference]: Start difference. First operand 381 states and 402 transitions. Second operand has 23 states, 23 states have (on average 15.217391304347826) internal successors, (350), 23 states have internal predecessors, (350), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:15:20,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:20,511 INFO L93 Difference]: Finished difference Result 383 states and 403 transitions. [2024-11-14 04:15:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 04:15:20,512 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 15.217391304347826) internal successors, (350), 23 states have internal predecessors, (350), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 422 [2024-11-14 04:15:20,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:20,514 INFO L225 Difference]: With dead ends: 383 [2024-11-14 04:15:20,514 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:15:20,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=717, Invalid=1263, Unknown=0, NotChecked=0, Total=1980 [2024-11-14 04:15:20,517 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 0 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:20,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1089 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:15:20,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:15:20,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:15:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:15:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:15:20,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2024-11-14 04:15:20,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:20,519 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:15:20,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.217391304347826) internal successors, (350), 23 states have internal predecessors, (350), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:15:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:15:20,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:15:20,524 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-14 04:15:20,524 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-14 04:15:20,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-14 04:15:20,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-14 04:15:20,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-14 04:15:20,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-14 04:15:20,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-14 04:15:20,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-14 04:15:20,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-14 04:15:20,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-14 04:15:20,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-14 04:15:20,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 04:15:20,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 04:15:20,735 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:20,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:15:24,662 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:15:24,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,693 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,697 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,698 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,699 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,700 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,704 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,704 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,705 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,706 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,706 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,714 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:15:24,714 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:15:24,714 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:15:24,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:15:24,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:15:24,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:15:24,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:15:24,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:15:24,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:15:24,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:15:24,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:15:24,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:15:24,752 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:15:24,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:15:24 BoogieIcfgContainer [2024-11-14 04:15:24,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:15:24,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:15:24,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:15:24,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:15:24,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:14:17" (3/4) ... [2024-11-14 04:15:24,762 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:15:24,767 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 04:15:24,778 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-14 04:15:24,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 04:15:24,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:15:24,781 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:15:24,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:15:24,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:15:24,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:15:24,911 INFO L158 Benchmark]: Toolchain (without parser) took 68291.82ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 93.0MB in the beginning and 300.0MB in the end (delta: -207.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-11-14 04:15:24,911 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:24,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.39ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:24,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.55ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:24,913 INFO L158 Benchmark]: Boogie Preprocessor took 31.40ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 735.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:24,914 INFO L158 Benchmark]: RCFGBuilder took 430.09ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 65.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:15:24,916 INFO L158 Benchmark]: TraceAbstraction took 67370.55ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 64.5MB in the beginning and 304.2MB in the end (delta: -239.6MB). Peak memory consumption was 227.7MB. Max. memory is 16.1GB. [2024-11-14 04:15:24,916 INFO L158 Benchmark]: Witness Printer took 152.07ms. Allocated memory is still 427.8MB. Free memory was 304.2MB in the beginning and 300.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:24,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.39ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.55ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.40ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 735.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.09ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 65.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 67370.55ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 64.5MB in the beginning and 304.2MB in the end (delta: -239.6MB). Peak memory consumption was 227.7MB. Max. memory is 16.1GB. * Witness Printer took 152.07ms. Allocated memory is still 427.8MB. Free memory was 304.2MB in the beginning and 300.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - 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: #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: #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: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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: 37]: 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 2 procedures, 53 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 63.3s, OverallIterations: 17, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 618 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 607 mSDsluCounter, 2837 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2067 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3032 IncrementalHoareTripleChecker+Invalid, 3124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 770 mSDtfsCounter, 3032 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1663 GetRequests, 1373 SyntacticMatches, 73 SemanticMatches, 217 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2320 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=16, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 59 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 1856 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1937 ConstructedInterpolants, 2 QuantifiedInterpolants, 10964 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1389 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 27 InterpolantComputations, 12 PerfectInterpolantSequences, 9030/11220 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: 1.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 124, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.1s, 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: 27, DOMAIN_ISBOTTOM_TIME: 0.0s, 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: 10, CALL_SUMMARIZER_CACHE_MISSES: 1, 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: 675, DAG_COMPRESSION_RETAINED_NODES: 86, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((1 <= y) && (y <= x)) && ((((__int128) y * 12) + ((__int128) y * y)) <= 9223372036854775771)) && (1 <= k)) && (15 <= c)) && (x <= 4611686018427387903)) && (k <= 20)) || ((((((8 <= x) && (y == 8)) && (1 <= k)) && (x <= 4611686018427387903)) && (8 <= c)) && (k <= 20))) || ((((((9 <= c) && (1 <= k)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((1 <= y) && (y <= x)) && ((((__int128) 2 * y) + ((__int128) y * y)) <= 9223372036854775806)) && (20 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((12 <= c) && (1 <= y)) && ((((__int128) y * 18) + ((__int128) y * y)) <= 9223372036854775726)) && (y <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((7 <= x) && (7 == y)) && (7 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((3 == y) && (3 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (3 <= x)) && (k <= 20))) || (((((((1 <= y) && (18 <= c)) && ((((__int128) 6 * y) + ((__int128) y * y)) <= 9223372036854775798)) && (y <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((1 <= y) && (y <= x)) && (13 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && ((((__int128) 16 * y) + ((__int128) y * y)) <= 9223372036854775743)) && (k <= 20))) || (((((((19 <= c) && (1 <= y)) && (y <= x)) && ((((__int128) y * 4) + ((__int128) y * y)) <= 9223372036854775803)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((1 <= c) && (x == 1)) && (y == 1)) && (1 <= k)) && (k <= 20))) || ((((((y == 4) && (1 <= k)) && (4 <= c)) && (x <= 4611686018427387903)) && (4 <= x)) && (k <= 20))) || ((((((5 <= x) && (5 == y)) && (5 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((6 == y) && (6 <= x)) && (6 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((0 <= k) && (c == 0)) && (y == 0)) && (x == 0)) && (k <= 20))) || ((((((((((__int128) y * 10) + ((__int128) y * y)) <= 9223372036854775782) && (1 <= y)) && (y <= x)) && (16 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((2 <= x) && (2 <= c)) && (2 == y)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((1 <= y) && (y <= x)) && (17 <= c)) && ((((__int128) y * 8) + ((__int128) y * y)) <= 9223372036854775791)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((11 <= c) && (1 <= y)) && (y <= x)) && ((((__int128) y * 20) + ((__int128) y * y)) <= 9223372036854775707)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((1 <= y) && (y <= x)) && (14 <= c)) && ((((__int128) 14 * y) + ((__int128) y * y)) <= 9223372036854775758)) && (1 <= k)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((10 <= c) && (y == 10)) && (1 <= k)) && (x <= 4611686018427387903)) && (10 <= x)) && (k <= 20))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:15:25,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71509edf-6d11-452e-89a6-a3bf5d8d3e0e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE