./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:19:19,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:19:19,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:19:19,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:19:19,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:19:20,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:19:20,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:19:20,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:19:20,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:19:20,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:19:20,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:19:20,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:19:20,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:19:20,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:19:20,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:19:20,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:19:20,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:19:20,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:19:20,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:19:20,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:20,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:19:20,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:19:20,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:19:20,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:19:20,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:19:20,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:19:20,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:19:20,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:19:20,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:19:20,025 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 [2024-11-10 19:19:20,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:19:20,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:19:20,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:19:20,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:19:20,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:19:20,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2024-11-10 19:19:21,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:19:21,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:19:21,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2024-11-10 19:19:21,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4647c0ec/074f36c88e54455aa80463dd1c10c547/FLAGa3b6bbd01 [2024-11-10 19:19:21,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4647c0ec/074f36c88e54455aa80463dd1c10c547 [2024-11-10 19:19:21,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:19:21,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:19:21,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:21,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:19:21,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:19:21,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da933f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21, skipping insertion in model container [2024-11-10 19:19:21,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:19:21,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:21,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:19:21,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:21,820 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:19:21,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21 WrapperNode [2024-11-10 19:19:21,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:21,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:21,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:19:21,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:19:21,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,850 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-10 19:19:21,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:21,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:19:21,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:19:21,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:19:21,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,875 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:19:21,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:19:21,881 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:19:21,881 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:19:21,882 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:19:21,882 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (1/1) ... [2024-11-10 19:19:21,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:21,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:21,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:19:21,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:19:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:19:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:19:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:19:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:19:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:19:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:19:21,989 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:19:21,991 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:19:22,290 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-10 19:19:22,290 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:19:22,303 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:19:22,303 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:19:22,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:22 BoogieIcfgContainer [2024-11-10 19:19:22,304 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:19:22,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:19:22,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:19:22,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:19:22,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:19:21" (1/3) ... [2024-11-10 19:19:22,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7251c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:22, skipping insertion in model container [2024-11-10 19:19:22,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:21" (2/3) ... [2024-11-10 19:19:22,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7251c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:22, skipping insertion in model container [2024-11-10 19:19:22,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:22" (3/3) ... [2024-11-10 19:19:22,311 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound100.c [2024-11-10 19:19:22,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:19:22,325 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-10 19:19:22,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:19:22,374 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=PETRI_NET, 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;@405417eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:19:22,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-10 19:19:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 83 states have internal predecessors, (92), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:19:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:19:22,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:22,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:19:22,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:22,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:22,394 INFO L85 PathProgramCache]: Analyzing trace with hash -686802594, now seen corresponding path program 1 times [2024-11-10 19:19:22,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:22,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364748856] [2024-11-10 19:19:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:22,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:22,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:22,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364748856] [2024-11-10 19:19:22,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364748856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:22,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:22,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:22,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566388553] [2024-11-10 19:19:22,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:22,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:19:22,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:22,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:19:22,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:22,532 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 83 states have internal predecessors, (92), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-10 19:19:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:22,556 INFO L93 Difference]: Finished difference Result 180 states and 214 transitions. [2024-11-10 19:19:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:19:22,560 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-10 19:19:22,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:22,566 INFO L225 Difference]: With dead ends: 180 [2024-11-10 19:19:22,567 INFO L226 Difference]: Without dead ends: 84 [2024-11-10 19:19:22,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:22,573 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:22,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-10 19:19:22,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-10 19:19:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.64) internal successors, (82), 77 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-11-10 19:19:22,606 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 6 [2024-11-10 19:19:22,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:22,606 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-11-10 19:19:22,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-10 19:19:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-10 19:19:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:19:22,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:22,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:19:22,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:19:22,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:22,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:22,608 INFO L85 PathProgramCache]: Analyzing trace with hash -686772803, now seen corresponding path program 1 times [2024-11-10 19:19:22,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:22,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925206249] [2024-11-10 19:19:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:22,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925206249] [2024-11-10 19:19:22,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925206249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:22,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:22,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202088605] [2024-11-10 19:19:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:22,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:22,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:22,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:22,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:22,693 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-10 19:19:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:22,741 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2024-11-10 19:19:22,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:22,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-10 19:19:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:22,742 INFO L225 Difference]: With dead ends: 94 [2024-11-10 19:19:22,742 INFO L226 Difference]: Without dead ends: 93 [2024-11-10 19:19:22,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:22,743 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 39 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:22,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 221 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-10 19:19:22,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-11-10 19:19:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 79 states have internal predecessors, (84), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2024-11-10 19:19:22,752 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 6 [2024-11-10 19:19:22,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:22,752 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2024-11-10 19:19:22,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-10 19:19:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-11-10 19:19:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:19:22,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:22,753 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:22,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:19:22,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:22,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:22,754 INFO L85 PathProgramCache]: Analyzing trace with hash 184879639, now seen corresponding path program 1 times [2024-11-10 19:19:22,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:22,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101389799] [2024-11-10 19:19:22,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:22,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:22,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:22,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101389799] [2024-11-10 19:19:22,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101389799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:22,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:22,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732874482] [2024-11-10 19:19:22,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:22,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:22,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:22,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:22,830 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-10 19:19:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:22,874 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2024-11-10 19:19:22,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:22,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-10 19:19:22,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:22,876 INFO L225 Difference]: With dead ends: 148 [2024-11-10 19:19:22,876 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 19:19:22,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:22,877 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 5 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:22,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 251 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:22,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 19:19:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-10 19:19:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2024-11-10 19:19:22,884 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 7 [2024-11-10 19:19:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:22,884 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2024-11-10 19:19:22,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-10 19:19:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2024-11-10 19:19:22,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 19:19:22,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:22,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:22,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:19:22,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:22,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:22,886 INFO L85 PathProgramCache]: Analyzing trace with hash -736557349, now seen corresponding path program 1 times [2024-11-10 19:19:22,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:22,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642752917] [2024-11-10 19:19:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:22,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957347587] [2024-11-10 19:19:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:22,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:22,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:22,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:22,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:19:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:22,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:22,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:19:22,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:22,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642752917] [2024-11-10 19:19:22,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957347587] [2024-11-10 19:19:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957347587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:22,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:22,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:22,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292160445] [2024-11-10 19:19:22,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:22,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:22,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:22,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:22,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:22,992 INFO L87 Difference]: Start difference. First operand 92 states and 99 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:19:23,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:23,042 INFO L93 Difference]: Finished difference Result 193 states and 212 transitions. [2024-11-10 19:19:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:23,042 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-10 19:19:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:23,043 INFO L225 Difference]: With dead ends: 193 [2024-11-10 19:19:23,043 INFO L226 Difference]: Without dead ends: 134 [2024-11-10 19:19:23,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,046 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 36 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:23,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 147 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-10 19:19:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2024-11-10 19:19:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 104 states have internal predecessors, (119), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2024-11-10 19:19:23,055 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 20 [2024-11-10 19:19:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:23,056 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2024-11-10 19:19:23,056 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:19:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2024-11-10 19:19:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:19:23,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:23,057 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:23,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:23,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:23,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:23,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:23,259 INFO L85 PathProgramCache]: Analyzing trace with hash 621858660, now seen corresponding path program 1 times [2024-11-10 19:19:23,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:23,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022114329] [2024-11-10 19:19:23,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:23,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:23,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022114329] [2024-11-10 19:19:23,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022114329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:23,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:23,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:23,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441969980] [2024-11-10 19:19:23,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:23,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:23,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:23,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:23,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,397 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:23,457 INFO L93 Difference]: Finished difference Result 117 states and 139 transitions. [2024-11-10 19:19:23,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:23,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-10 19:19:23,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:23,458 INFO L225 Difference]: With dead ends: 117 [2024-11-10 19:19:23,458 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 19:19:23,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,459 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 54 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:23,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 75 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 19:19:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-10 19:19:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 102 states have internal predecessors, (116), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2024-11-10 19:19:23,473 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 28 [2024-11-10 19:19:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:23,473 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2024-11-10 19:19:23,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2024-11-10 19:19:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:19:23,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:23,475 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:23,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:19:23,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:23,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2097748031, now seen corresponding path program 1 times [2024-11-10 19:19:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:23,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825329895] [2024-11-10 19:19:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:23,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825329895] [2024-11-10 19:19:23,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825329895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:23,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:23,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102898109] [2024-11-10 19:19:23,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:23,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:23,583 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:23,653 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2024-11-10 19:19:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:23,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 19:19:23,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:23,655 INFO L225 Difference]: With dead ends: 115 [2024-11-10 19:19:23,655 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 19:19:23,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:23,656 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 147 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:23,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 223 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:23,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 19:19:23,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-10 19:19:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 101 states have internal predecessors, (114), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2024-11-10 19:19:23,668 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 29 [2024-11-10 19:19:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:23,669 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2024-11-10 19:19:23,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2024-11-10 19:19:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:19:23,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:23,669 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:23,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:19:23,669 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:23,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:23,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2097749312, now seen corresponding path program 1 times [2024-11-10 19:19:23,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:23,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39550976] [2024-11-10 19:19:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:23,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:23,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39550976] [2024-11-10 19:19:23,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39550976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:23,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:23,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043008173] [2024-11-10 19:19:23,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:23,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:23,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:23,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,737 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:23,778 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2024-11-10 19:19:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:23,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 19:19:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:23,779 INFO L225 Difference]: With dead ends: 124 [2024-11-10 19:19:23,779 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 19:19:23,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,780 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:23,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 138 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 19:19:23,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2024-11-10 19:19:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 101 states have internal predecessors, (113), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2024-11-10 19:19:23,794 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 29 [2024-11-10 19:19:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:23,794 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2024-11-10 19:19:23,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2024-11-10 19:19:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:19:23,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:23,795 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:23,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:19:23,795 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:23,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 605679545, now seen corresponding path program 1 times [2024-11-10 19:19:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730170764] [2024-11-10 19:19:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:23,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:23,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730170764] [2024-11-10 19:19:23,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730170764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:23,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:23,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:23,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606728284] [2024-11-10 19:19:23,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:23,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:23,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:23,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:23,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:23,852 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:23,908 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2024-11-10 19:19:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:19:23,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-10 19:19:23,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:23,909 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:19:23,909 INFO L226 Difference]: Without dead ends: 124 [2024-11-10 19:19:23,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:23,910 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 29 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:23,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 323 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-10 19:19:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-11-10 19:19:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 104 states have internal predecessors, (114), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2024-11-10 19:19:23,916 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 30 [2024-11-10 19:19:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:23,916 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2024-11-10 19:19:23,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2024-11-10 19:19:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:19:23,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:23,917 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:23,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:19:23,917 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:23,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:23,917 INFO L85 PathProgramCache]: Analyzing trace with hash 641737403, now seen corresponding path program 1 times [2024-11-10 19:19:23,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:23,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265615817] [2024-11-10 19:19:23,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:23,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917506593] [2024-11-10 19:19:23,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:23,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:23,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:23,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:23,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:19:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:23,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:23,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:23,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:23,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:23,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265615817] [2024-11-10 19:19:23,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:23,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917506593] [2024-11-10 19:19:23,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917506593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:23,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:23,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990646708] [2024-11-10 19:19:23,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:23,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:23,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:23,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:23,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:23,989 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:24,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:24,026 INFO L93 Difference]: Finished difference Result 161 states and 187 transitions. [2024-11-10 19:19:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:24,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-10 19:19:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:24,027 INFO L225 Difference]: With dead ends: 161 [2024-11-10 19:19:24,027 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 19:19:24,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:24,028 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 47 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:24,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 113 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:24,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 19:19:24,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2024-11-10 19:19:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.411764705882353) internal successors, (144), 125 states have internal predecessors, (144), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2024-11-10 19:19:24,034 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 33 [2024-11-10 19:19:24,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:24,034 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2024-11-10 19:19:24,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2024-11-10 19:19:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:19:24,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:24,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:24,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:24,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-10 19:19:24,235 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:24,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1765645799, now seen corresponding path program 1 times [2024-11-10 19:19:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144365615] [2024-11-10 19:19:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:24,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:24,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144365615] [2024-11-10 19:19:24,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144365615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:24,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:24,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:24,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042067291] [2024-11-10 19:19:24,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:24,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:24,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:24,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:24,340 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:24,691 INFO L93 Difference]: Finished difference Result 167 states and 196 transitions. [2024-11-10 19:19:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:24,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2024-11-10 19:19:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:24,692 INFO L225 Difference]: With dead ends: 167 [2024-11-10 19:19:24,692 INFO L226 Difference]: Without dead ends: 166 [2024-11-10 19:19:24,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:24,694 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 120 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:24,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 126 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-10 19:19:24,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 149. [2024-11-10 19:19:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 110 states have (on average 1.4) internal successors, (154), 133 states have internal predecessors, (154), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 178 transitions. [2024-11-10 19:19:24,711 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 178 transitions. Word has length 35 [2024-11-10 19:19:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:24,711 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 178 transitions. [2024-11-10 19:19:24,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 178 transitions. [2024-11-10 19:19:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:19:24,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:24,714 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:24,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:19:24,715 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:24,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:24,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1099555092, now seen corresponding path program 1 times [2024-11-10 19:19:24,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:24,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074854312] [2024-11-10 19:19:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:24,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:24,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181616441] [2024-11-10 19:19:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:24,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:24,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:24,730 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:24,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:19:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:24,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:24,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:24,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074854312] [2024-11-10 19:19:24,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181616441] [2024-11-10 19:19:24,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181616441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:24,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:24,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:24,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057378420] [2024-11-10 19:19:24,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:24,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:24,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:24,912 INFO L87 Difference]: Start difference. First operand 149 states and 178 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,061 INFO L93 Difference]: Finished difference Result 155 states and 183 transitions. [2024-11-10 19:19:25,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:25,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2024-11-10 19:19:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,063 INFO L225 Difference]: With dead ends: 155 [2024-11-10 19:19:25,063 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 19:19:25,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:25,064 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 159 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 19:19:25,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-10 19:19:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 136 states have internal predecessors, (156), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2024-11-10 19:19:25,074 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 36 [2024-11-10 19:19:25,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,074 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2024-11-10 19:19:25,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2024-11-10 19:19:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:19:25,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,075 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:25,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:19:25,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:25,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1724175833, now seen corresponding path program 1 times [2024-11-10 19:19:25,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644548872] [2024-11-10 19:19:25,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:25,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644548872] [2024-11-10 19:19:25,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644548872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:25,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744117412] [2024-11-10 19:19:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:25,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:25,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:19:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:25,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:25,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744117412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:25,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:25,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-10 19:19:25,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710026984] [2024-11-10 19:19:25,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:19:25,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:19:25,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:25,487 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:19:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,610 INFO L93 Difference]: Finished difference Result 304 states and 361 transitions. [2024-11-10 19:19:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:19:25,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 36 [2024-11-10 19:19:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,612 INFO L225 Difference]: With dead ends: 304 [2024-11-10 19:19:25,612 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 19:19:25,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:19:25,613 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 89 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 402 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 19:19:25,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 198. [2024-11-10 19:19:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 151 states have (on average 1.3708609271523178) internal successors, (207), 174 states have internal predecessors, (207), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:19:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 243 transitions. [2024-11-10 19:19:25,633 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 243 transitions. Word has length 36 [2024-11-10 19:19:25,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,633 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 243 transitions. [2024-11-10 19:19:25,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:19:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 243 transitions. [2024-11-10 19:19:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:19:25,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,635 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:19:25,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:25,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:25,841 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -810686887, now seen corresponding path program 1 times [2024-11-10 19:19:25,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46585441] [2024-11-10 19:19:25,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:25,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771345269] [2024-11-10 19:19:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:25,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:25,857 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:25,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:19:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:25,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:25,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:25,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46585441] [2024-11-10 19:19:25,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:25,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771345269] [2024-11-10 19:19:25,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771345269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:25,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:25,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:25,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19936682] [2024-11-10 19:19:25,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:25,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:25,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:25,941 INFO L87 Difference]: Start difference. First operand 198 states and 243 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,005 INFO L93 Difference]: Finished difference Result 236 states and 284 transitions. [2024-11-10 19:19:26,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:26,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-10 19:19:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,006 INFO L225 Difference]: With dead ends: 236 [2024-11-10 19:19:26,006 INFO L226 Difference]: Without dead ends: 226 [2024-11-10 19:19:26,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:26,007 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 92 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 156 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:26,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-10 19:19:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2024-11-10 19:19:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 163 states have (on average 1.3067484662576687) internal successors, (213), 182 states have internal predecessors, (213), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:19:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2024-11-10 19:19:26,021 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 49 [2024-11-10 19:19:26,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,021 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2024-11-10 19:19:26,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2024-11-10 19:19:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:19:26,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,022 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:19:26,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:26,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:19:26,227 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:26,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash 638510322, now seen corresponding path program 1 times [2024-11-10 19:19:26,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:26,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785884193] [2024-11-10 19:19:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:26,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989827871] [2024-11-10 19:19:26,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:26,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:26,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:26,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:19:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:26,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:26,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:26,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785884193] [2024-11-10 19:19:26,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:26,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989827871] [2024-11-10 19:19:26,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989827871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:26,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:26,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:19:26,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276979333] [2024-11-10 19:19:26,380 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:26,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:26,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:26,381 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:26,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,455 INFO L93 Difference]: Finished difference Result 316 states and 382 transitions. [2024-11-10 19:19:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:26,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2024-11-10 19:19:26,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,457 INFO L225 Difference]: With dead ends: 316 [2024-11-10 19:19:26,457 INFO L226 Difference]: Without dead ends: 312 [2024-11-10 19:19:26,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:26,458 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 77 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 202 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-10 19:19:26,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 278. [2024-11-10 19:19:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 246 states have internal predecessors, (301), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:19:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 353 transitions. [2024-11-10 19:19:26,475 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 353 transitions. Word has length 50 [2024-11-10 19:19:26,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,476 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 353 transitions. [2024-11-10 19:19:26,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 353 transitions. [2024-11-10 19:19:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:19:26,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,477 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:26,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:19:26,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:26,678 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:26,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:26,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1849941272, now seen corresponding path program 1 times [2024-11-10 19:19:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912410978] [2024-11-10 19:19:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 19:19:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:26,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912410978] [2024-11-10 19:19:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912410978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798742362] [2024-11-10 19:19:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:26,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:26,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:26,749 INFO L87 Difference]: Start difference. First operand 278 states and 353 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:27,124 INFO L93 Difference]: Finished difference Result 291 states and 366 transitions. [2024-11-10 19:19:27,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:27,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-10 19:19:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:27,126 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:19:27,126 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 19:19:27,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:27,127 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 60 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:27,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 148 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:27,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 19:19:27,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 262. [2024-11-10 19:19:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 213 states have (on average 1.3427230046948357) internal successors, (286), 232 states have internal predecessors, (286), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:19:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 334 transitions. [2024-11-10 19:19:27,141 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 334 transitions. Word has length 52 [2024-11-10 19:19:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:27,141 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 334 transitions. [2024-11-10 19:19:27,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 334 transitions. [2024-11-10 19:19:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:19:27,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:27,142 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:27,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:19:27,142 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:27,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:27,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2107952002, now seen corresponding path program 1 times [2024-11-10 19:19:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:27,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841176346] [2024-11-10 19:19:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:27,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:27,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841176346] [2024-11-10 19:19:27,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841176346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:27,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967594293] [2024-11-10 19:19:27,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:27,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:27,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:27,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:19:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:27,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:27,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:27,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967594293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:27,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:27,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 19:19:27,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771632556] [2024-11-10 19:19:27,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:27,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:27,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:27,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:27,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:27,346 INFO L87 Difference]: Start difference. First operand 262 states and 334 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:27,473 INFO L93 Difference]: Finished difference Result 410 states and 514 transitions. [2024-11-10 19:19:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:27,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 58 [2024-11-10 19:19:27,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:27,475 INFO L225 Difference]: With dead ends: 410 [2024-11-10 19:19:27,475 INFO L226 Difference]: Without dead ends: 408 [2024-11-10 19:19:27,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:27,476 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 185 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:27,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 262 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-10 19:19:27,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 342. [2024-11-10 19:19:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 284 states have (on average 1.3556338028169015) internal successors, (385), 303 states have internal predecessors, (385), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 451 transitions. [2024-11-10 19:19:27,493 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 451 transitions. Word has length 58 [2024-11-10 19:19:27,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:27,493 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 451 transitions. [2024-11-10 19:19:27,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2024-11-10 19:19:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:19:27,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:27,494 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:27,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:19:27,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:27,695 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:27,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:27,695 INFO L85 PathProgramCache]: Analyzing trace with hash 921962935, now seen corresponding path program 1 times [2024-11-10 19:19:27,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:27,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805494279] [2024-11-10 19:19:27,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:27,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:27,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805494279] [2024-11-10 19:19:27,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805494279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:27,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383203914] [2024-11-10 19:19:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:27,788 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:27,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:19:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:27,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:19:27,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:27,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383203914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:27,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:27,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-10 19:19:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571593001] [2024-11-10 19:19:27,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:27,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:19:27,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:19:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:19:27,970 INFO L87 Difference]: Start difference. First operand 342 states and 451 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:28,170 INFO L93 Difference]: Finished difference Result 399 states and 504 transitions. [2024-11-10 19:19:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:19:28,171 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 59 [2024-11-10 19:19:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:28,173 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:19:28,173 INFO L226 Difference]: Without dead ends: 393 [2024-11-10 19:19:28,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:19:28,174 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 193 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:28,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 432 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:28,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-10 19:19:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 369. [2024-11-10 19:19:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 309 states have (on average 1.3333333333333333) internal successors, (412), 328 states have internal predecessors, (412), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 478 transitions. [2024-11-10 19:19:28,190 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 478 transitions. Word has length 59 [2024-11-10 19:19:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:28,190 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 478 transitions. [2024-11-10 19:19:28,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 478 transitions. [2024-11-10 19:19:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:19:28,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:28,191 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:28,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:28,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:19:28,392 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:28,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:28,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1092355218, now seen corresponding path program 1 times [2024-11-10 19:19:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800351238] [2024-11-10 19:19:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:28,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064513630] [2024-11-10 19:19:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:28,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:28,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:28,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:28,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:19:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:19:28,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:28,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:28,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:28,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800351238] [2024-11-10 19:19:28,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:28,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064513630] [2024-11-10 19:19:28,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064513630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:28,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:19:28,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:19:28,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525691363] [2024-11-10 19:19:28,685 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:28,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:28,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:28,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:28,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:28,686 INFO L87 Difference]: Start difference. First operand 369 states and 478 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:29,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:29,129 INFO L93 Difference]: Finished difference Result 419 states and 538 transitions. [2024-11-10 19:19:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:19:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 65 [2024-11-10 19:19:29,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:29,131 INFO L225 Difference]: With dead ends: 419 [2024-11-10 19:19:29,131 INFO L226 Difference]: Without dead ends: 413 [2024-11-10 19:19:29,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:19:29,135 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 278 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:29,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 246 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:19:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-10 19:19:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 372. [2024-11-10 19:19:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 312 states have (on average 1.3044871794871795) internal successors, (407), 331 states have internal predecessors, (407), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 473 transitions. [2024-11-10 19:19:29,156 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 473 transitions. Word has length 65 [2024-11-10 19:19:29,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:29,156 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 473 transitions. [2024-11-10 19:19:29,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 473 transitions. [2024-11-10 19:19:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:19:29,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:29,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:29,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:29,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:19:29,362 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:29,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:29,363 INFO L85 PathProgramCache]: Analyzing trace with hash 487558559, now seen corresponding path program 1 times [2024-11-10 19:19:29,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:29,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026280214] [2024-11-10 19:19:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:29,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:29,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026280214] [2024-11-10 19:19:29,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026280214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:29,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793949871] [2024-11-10 19:19:29,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:29,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:29,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:19:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:29,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:19:29,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:29,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793949871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:29,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:29,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-10 19:19:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7235682] [2024-11-10 19:19:29,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:29,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:19:29,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:19:29,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:19:29,669 INFO L87 Difference]: Start difference. First operand 372 states and 473 transitions. Second operand has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:29,883 INFO L93 Difference]: Finished difference Result 588 states and 745 transitions. [2024-11-10 19:19:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:19:29,884 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 76 [2024-11-10 19:19:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:29,885 INFO L225 Difference]: With dead ends: 588 [2024-11-10 19:19:29,886 INFO L226 Difference]: Without dead ends: 418 [2024-11-10 19:19:29,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:19:29,886 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 111 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:29,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 444 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:29,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-10 19:19:29,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 402. [2024-11-10 19:19:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 338 states have (on average 1.2899408284023668) internal successors, (436), 357 states have internal predecessors, (436), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:19:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 508 transitions. [2024-11-10 19:19:29,908 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 508 transitions. Word has length 76 [2024-11-10 19:19:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:29,908 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 508 transitions. [2024-11-10 19:19:29,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 508 transitions. [2024-11-10 19:19:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:19:29,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:29,909 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:19:29,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:30,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:30,110 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:30,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1213852688, now seen corresponding path program 2 times [2024-11-10 19:19:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:30,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832122629] [2024-11-10 19:19:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253422789] [2024-11-10 19:19:30,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:19:30,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:30,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:30,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:30,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:19:30,160 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:19:30,160 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:19:30,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:19:30,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:30,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:30,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832122629] [2024-11-10 19:19:30,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253422789] [2024-11-10 19:19:30,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253422789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:30,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:19:30,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953687533] [2024-11-10 19:19:30,240 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:30,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:30,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:30,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:30,240 INFO L87 Difference]: Start difference. First operand 402 states and 508 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:30,336 INFO L93 Difference]: Finished difference Result 571 states and 712 transitions. [2024-11-10 19:19:30,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2024-11-10 19:19:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:30,338 INFO L225 Difference]: With dead ends: 571 [2024-11-10 19:19:30,338 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 19:19:30,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:30,339 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 134 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:30,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 246 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 19:19:30,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 437. [2024-11-10 19:19:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 369 states have (on average 1.2737127371273713) internal successors, (470), 388 states have internal predecessors, (470), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:19:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 550 transitions. [2024-11-10 19:19:30,361 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 550 transitions. Word has length 79 [2024-11-10 19:19:30,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:30,361 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 550 transitions. [2024-11-10 19:19:30,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:30,362 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 550 transitions. [2024-11-10 19:19:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:19:30,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:30,362 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:30,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:30,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:30,566 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:30,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:30,566 INFO L85 PathProgramCache]: Analyzing trace with hash -836834033, now seen corresponding path program 1 times [2024-11-10 19:19:30,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:30,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393256957] [2024-11-10 19:19:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:30,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:30,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393256957] [2024-11-10 19:19:30,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393256957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:30,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:30,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:30,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130606540] [2024-11-10 19:19:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:30,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:30,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:30,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:30,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:30,631 INFO L87 Difference]: Start difference. First operand 437 states and 550 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:30,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:30,671 INFO L93 Difference]: Finished difference Result 437 states and 550 transitions. [2024-11-10 19:19:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:30,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-10 19:19:30,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:30,672 INFO L225 Difference]: With dead ends: 437 [2024-11-10 19:19:30,673 INFO L226 Difference]: Without dead ends: 436 [2024-11-10 19:19:30,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:30,689 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 4 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:30,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 129 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:30,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-10 19:19:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-11-10 19:19:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 369 states have (on average 1.2628726287262872) internal successors, (466), 387 states have internal predecessors, (466), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:19:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 546 transitions. [2024-11-10 19:19:30,710 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 546 transitions. Word has length 86 [2024-11-10 19:19:30,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:30,710 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 546 transitions. [2024-11-10 19:19:30,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 546 transitions. [2024-11-10 19:19:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:19:30,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:30,711 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:30,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:19:30,711 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:30,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:30,712 INFO L85 PathProgramCache]: Analyzing trace with hash -172051258, now seen corresponding path program 1 times [2024-11-10 19:19:30,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:30,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738814072] [2024-11-10 19:19:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:30,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:30,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:30,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738814072] [2024-11-10 19:19:30,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738814072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:30,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:30,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:30,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067433489] [2024-11-10 19:19:30,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:30,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:30,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:30,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:30,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:30,827 INFO L87 Difference]: Start difference. First operand 436 states and 546 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:31,010 INFO L93 Difference]: Finished difference Result 669 states and 864 transitions. [2024-11-10 19:19:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:31,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 87 [2024-11-10 19:19:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:31,012 INFO L225 Difference]: With dead ends: 669 [2024-11-10 19:19:31,012 INFO L226 Difference]: Without dead ends: 668 [2024-11-10 19:19:31,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:31,013 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 141 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:31,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 243 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-10 19:19:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 601. [2024-11-10 19:19:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 520 states have (on average 1.3076923076923077) internal successors, (680), 538 states have internal predecessors, (680), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 19:19:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 788 transitions. [2024-11-10 19:19:31,045 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 788 transitions. Word has length 87 [2024-11-10 19:19:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:31,046 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 788 transitions. [2024-11-10 19:19:31,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 788 transitions. [2024-11-10 19:19:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:19:31,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:31,046 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:31,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 19:19:31,046 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:31,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:31,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2132502076, now seen corresponding path program 1 times [2024-11-10 19:19:31,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:31,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468939429] [2024-11-10 19:19:31,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:31,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:31,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468939429] [2024-11-10 19:19:31,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468939429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:31,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14272576] [2024-11-10 19:19:31,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:31,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:31,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:19:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:19:31,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:31,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:31,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14272576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:31,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:31,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:19:31,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417899995] [2024-11-10 19:19:31,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:31,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:31,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:31,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:31,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:31,389 INFO L87 Difference]: Start difference. First operand 601 states and 788 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:31,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:31,590 INFO L93 Difference]: Finished difference Result 660 states and 851 transitions. [2024-11-10 19:19:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:31,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-10 19:19:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:31,592 INFO L225 Difference]: With dead ends: 660 [2024-11-10 19:19:31,592 INFO L226 Difference]: Without dead ends: 659 [2024-11-10 19:19:31,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:31,593 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 84 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:31,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:31,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-10 19:19:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 617. [2024-11-10 19:19:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 536 states have (on average 1.2985074626865671) internal successors, (696), 554 states have internal predecessors, (696), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 19:19:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 804 transitions. [2024-11-10 19:19:31,635 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 804 transitions. Word has length 89 [2024-11-10 19:19:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:31,635 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 804 transitions. [2024-11-10 19:19:31,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 804 transitions. [2024-11-10 19:19:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:19:31,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:31,637 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:31,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:19:31,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:19:31,838 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:31,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:31,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1683054932, now seen corresponding path program 1 times [2024-11-10 19:19:31,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:31,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608928274] [2024-11-10 19:19:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:31,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608928274] [2024-11-10 19:19:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608928274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488967158] [2024-11-10 19:19:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:31,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:31,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:19:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:19:32,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:32,177 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488967158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:32,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:32,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:19:32,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124602060] [2024-11-10 19:19:32,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:32,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:32,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:32,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:32,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:32,178 INFO L87 Difference]: Start difference. First operand 617 states and 804 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:32,357 INFO L93 Difference]: Finished difference Result 660 states and 846 transitions. [2024-11-10 19:19:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:32,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-11-10 19:19:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:32,359 INFO L225 Difference]: With dead ends: 660 [2024-11-10 19:19:32,359 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:19:32,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:32,360 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 115 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:32,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 142 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:32,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:19:32,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 621. [2024-11-10 19:19:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 540 states have (on average 1.288888888888889) internal successors, (696), 558 states have internal predecessors, (696), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 19:19:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 804 transitions. [2024-11-10 19:19:32,409 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 804 transitions. Word has length 90 [2024-11-10 19:19:32,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:32,409 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 804 transitions. [2024-11-10 19:19:32,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 804 transitions. [2024-11-10 19:19:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 19:19:32,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:32,410 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:32,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:19:32,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 19:19:32,615 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:32,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:32,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1931299027, now seen corresponding path program 1 times [2024-11-10 19:19:32,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:32,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734836137] [2024-11-10 19:19:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:32,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:19:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 19:19:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:19:32,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:32,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734836137] [2024-11-10 19:19:32,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734836137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:32,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313574870] [2024-11-10 19:19:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:32,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:32,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:32,716 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:32,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:19:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:19:32,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:19:32,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:19:32,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313574870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:32,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:32,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-10 19:19:32,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045496096] [2024-11-10 19:19:32,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:32,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:19:32,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:19:32,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:19:32,958 INFO L87 Difference]: Start difference. First operand 621 states and 804 transitions. Second operand has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 18 states have internal predecessors, (106), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-10 19:19:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:33,259 INFO L93 Difference]: Finished difference Result 700 states and 886 transitions. [2024-11-10 19:19:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 19:19:33,260 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 18 states have internal predecessors, (106), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 94 [2024-11-10 19:19:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:33,262 INFO L225 Difference]: With dead ends: 700 [2024-11-10 19:19:33,262 INFO L226 Difference]: Without dead ends: 688 [2024-11-10 19:19:33,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 19:19:33,263 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 204 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:33,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 686 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:33,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-10 19:19:33,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 654. [2024-11-10 19:19:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 568 states have (on average 1.2764084507042253) internal successors, (725), 586 states have internal predecessors, (725), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:19:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 839 transitions. [2024-11-10 19:19:33,312 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 839 transitions. Word has length 94 [2024-11-10 19:19:33,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:33,313 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 839 transitions. [2024-11-10 19:19:33,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 18 states have internal predecessors, (106), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-10 19:19:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 839 transitions. [2024-11-10 19:19:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 19:19:33,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:33,314 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:33,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:19:33,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:33,514 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:33,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash -142266627, now seen corresponding path program 1 times [2024-11-10 19:19:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:33,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108394991] [2024-11-10 19:19:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:33,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479515183] [2024-11-10 19:19:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:33,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:33,532 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:33,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:19:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:19:33,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:33,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:34,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108394991] [2024-11-10 19:19:34,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:34,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479515183] [2024-11-10 19:19:34,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479515183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:34,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:34,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:19:34,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473879135] [2024-11-10 19:19:34,361 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:19:34,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:19:34,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:19:34,363 INFO L87 Difference]: Start difference. First operand 654 states and 839 transitions. Second operand has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:34,717 INFO L93 Difference]: Finished difference Result 738 states and 946 transitions. [2024-11-10 19:19:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:19:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 97 [2024-11-10 19:19:34,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:34,720 INFO L225 Difference]: With dead ends: 738 [2024-11-10 19:19:34,720 INFO L226 Difference]: Without dead ends: 737 [2024-11-10 19:19:34,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:19:34,720 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:34,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 328 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-10 19:19:34,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 702. [2024-11-10 19:19:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 612 states have (on average 1.272875816993464) internal successors, (779), 630 states have internal predecessors, (779), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:19:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 901 transitions. [2024-11-10 19:19:34,760 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 901 transitions. Word has length 97 [2024-11-10 19:19:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:34,761 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 901 transitions. [2024-11-10 19:19:34,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 901 transitions. [2024-11-10 19:19:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:19:34,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:34,762 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:34,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:34,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:19:34,966 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:34,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash -115298124, now seen corresponding path program 1 times [2024-11-10 19:19:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065905175] [2024-11-10 19:19:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:34,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178088022] [2024-11-10 19:19:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:34,981 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:34,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:19:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:35,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:19:35,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:35,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:35,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:35,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065905175] [2024-11-10 19:19:35,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:35,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178088022] [2024-11-10 19:19:35,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178088022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:35,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:35,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:19:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744332622] [2024-11-10 19:19:35,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:35,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:19:35,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:35,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:19:35,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:19:35,626 INFO L87 Difference]: Start difference. First operand 702 states and 901 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:35,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:35,856 INFO L93 Difference]: Finished difference Result 770 states and 991 transitions. [2024-11-10 19:19:35,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:19:35,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-10 19:19:35,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:35,862 INFO L225 Difference]: With dead ends: 770 [2024-11-10 19:19:35,862 INFO L226 Difference]: Without dead ends: 769 [2024-11-10 19:19:35,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:35,862 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 77 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:35,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 293 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-10 19:19:35,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 750. [2024-11-10 19:19:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 656 states have (on average 1.2698170731707317) internal successors, (833), 674 states have internal predecessors, (833), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-10 19:19:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 963 transitions. [2024-11-10 19:19:35,899 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 963 transitions. Word has length 98 [2024-11-10 19:19:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:35,899 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 963 transitions. [2024-11-10 19:19:35,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 963 transitions. [2024-11-10 19:19:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:19:35,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:35,900 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:35,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:19:36,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:19:36,104 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:36,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:36,104 INFO L85 PathProgramCache]: Analyzing trace with hash 720725467, now seen corresponding path program 1 times [2024-11-10 19:19:36,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:36,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992397439] [2024-11-10 19:19:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:36,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992397439] [2024-11-10 19:19:36,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992397439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:36,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:36,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:19:36,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488059387] [2024-11-10 19:19:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:36,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:36,165 INFO L87 Difference]: Start difference. First operand 750 states and 963 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:36,576 INFO L93 Difference]: Finished difference Result 755 states and 970 transitions. [2024-11-10 19:19:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:36,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 99 [2024-11-10 19:19:36,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:36,579 INFO L225 Difference]: With dead ends: 755 [2024-11-10 19:19:36,579 INFO L226 Difference]: Without dead ends: 754 [2024-11-10 19:19:36,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:19:36,579 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 103 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:36,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 124 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:19:36,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-10 19:19:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 749. [2024-11-10 19:19:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 656 states have (on average 1.2576219512195121) internal successors, (825), 673 states have internal predecessors, (825), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-10 19:19:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 955 transitions. [2024-11-10 19:19:36,613 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 955 transitions. Word has length 99 [2024-11-10 19:19:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:36,613 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 955 transitions. [2024-11-10 19:19:36,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 955 transitions. [2024-11-10 19:19:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:19:36,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:36,614 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:36,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 19:19:36,614 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:36,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:36,614 INFO L85 PathProgramCache]: Analyzing trace with hash 867653010, now seen corresponding path program 1 times [2024-11-10 19:19:36,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:36,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295154994] [2024-11-10 19:19:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:36,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:36,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361032510] [2024-11-10 19:19:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:36,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:36,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:36,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:19:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:36,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:19:36,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:37,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:39,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:39,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295154994] [2024-11-10 19:19:39,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:39,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361032510] [2024-11-10 19:19:39,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361032510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:39,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:19:39,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-10 19:19:39,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095409120] [2024-11-10 19:19:39,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:39,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:19:39,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:39,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:19:39,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:19:39,177 INFO L87 Difference]: Start difference. First operand 749 states and 955 transitions. Second operand has 20 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:19:42,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:42,626 INFO L93 Difference]: Finished difference Result 942 states and 1211 transitions. [2024-11-10 19:19:42,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 19:19:42,627 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 100 [2024-11-10 19:19:42,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:42,629 INFO L225 Difference]: With dead ends: 942 [2024-11-10 19:19:42,629 INFO L226 Difference]: Without dead ends: 767 [2024-11-10 19:19:42,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 19:19:42,634 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 387 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:42,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 456 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 19:19:42,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-10 19:19:42,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 698. [2024-11-10 19:19:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 611 states have (on average 1.2667757774140753) internal successors, (774), 628 states have internal predecessors, (774), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 892 transitions. [2024-11-10 19:19:42,670 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 892 transitions. Word has length 100 [2024-11-10 19:19:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:42,671 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 892 transitions. [2024-11-10 19:19:42,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:19:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 892 transitions. [2024-11-10 19:19:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:19:42,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:42,671 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-10 19:19:42,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:42,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:19:42,876 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:42,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1281888846, now seen corresponding path program 3 times [2024-11-10 19:19:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:42,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199125380] [2024-11-10 19:19:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:42,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:42,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [487893438] [2024-11-10 19:19:42,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:19:42,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:42,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:42,892 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:42,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:19:42,931 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:19:42,931 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:19:42,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:19:42,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 26 proven. 45 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-10 19:19:43,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:43,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199125380] [2024-11-10 19:19:43,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487893438] [2024-11-10 19:19:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487893438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:43,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:19:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400050833] [2024-11-10 19:19:43,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:43,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:19:43,205 INFO L87 Difference]: Start difference. First operand 698 states and 892 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:19:45,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:19:45,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:45,765 INFO L93 Difference]: Finished difference Result 744 states and 933 transitions. [2024-11-10 19:19:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:19:45,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 108 [2024-11-10 19:19:45,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:45,771 INFO L225 Difference]: With dead ends: 744 [2024-11-10 19:19:45,772 INFO L226 Difference]: Without dead ends: 740 [2024-11-10 19:19:45,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:19:45,772 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 171 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:45,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 391 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 19:19:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-10 19:19:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 695. [2024-11-10 19:19:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 611 states have (on average 1.2356792144026187) internal successors, (755), 625 states have internal predecessors, (755), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 873 transitions. [2024-11-10 19:19:45,812 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 873 transitions. Word has length 108 [2024-11-10 19:19:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:45,812 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 873 transitions. [2024-11-10 19:19:45,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:19:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 873 transitions. [2024-11-10 19:19:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:19:45,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:45,813 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:45,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:19:46,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:46,014 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:46,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:46,014 INFO L85 PathProgramCache]: Analyzing trace with hash -723696072, now seen corresponding path program 1 times [2024-11-10 19:19:46,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:46,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616930214] [2024-11-10 19:19:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:46,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99458802] [2024-11-10 19:19:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:46,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:46,036 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:46,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:19:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:46,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:19:46,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:46,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:46,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:46,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616930214] [2024-11-10 19:19:46,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:46,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99458802] [2024-11-10 19:19:46,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99458802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:46,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:46,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:19:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915038819] [2024-11-10 19:19:46,757 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:46,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:19:46,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:46,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:19:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:46,758 INFO L87 Difference]: Start difference. First operand 695 states and 873 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:19:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:47,010 INFO L93 Difference]: Finished difference Result 700 states and 880 transitions. [2024-11-10 19:19:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:19:47,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 114 [2024-11-10 19:19:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:47,013 INFO L225 Difference]: With dead ends: 700 [2024-11-10 19:19:47,013 INFO L226 Difference]: Without dead ends: 699 [2024-11-10 19:19:47,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:19:47,014 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 36 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:47,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 310 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-10 19:19:47,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 696. [2024-11-10 19:19:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 612 states have (on average 1.2352941176470589) internal successors, (756), 626 states have internal predecessors, (756), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 874 transitions. [2024-11-10 19:19:47,055 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 874 transitions. Word has length 114 [2024-11-10 19:19:47,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:47,056 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 874 transitions. [2024-11-10 19:19:47,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:19:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 874 transitions. [2024-11-10 19:19:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-10 19:19:47,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:47,057 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:47,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:47,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:47,258 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:47,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:47,258 INFO L85 PathProgramCache]: Analyzing trace with hash -959741773, now seen corresponding path program 1 times [2024-11-10 19:19:47,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:47,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647093650] [2024-11-10 19:19:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:47,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240956689] [2024-11-10 19:19:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:47,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:47,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:47,272 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:47,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:19:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:47,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:19:47,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:47,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:48,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:48,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647093650] [2024-11-10 19:19:48,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240956689] [2024-11-10 19:19:48,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240956689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:48,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:48,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:19:48,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542028515] [2024-11-10 19:19:48,801 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:48,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:19:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:48,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:19:48,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:19:48,802 INFO L87 Difference]: Start difference. First operand 696 states and 874 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:19:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:49,153 INFO L93 Difference]: Finished difference Result 1061 states and 1369 transitions. [2024-11-10 19:19:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:19:49,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 115 [2024-11-10 19:19:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:49,155 INFO L225 Difference]: With dead ends: 1061 [2024-11-10 19:19:49,155 INFO L226 Difference]: Without dead ends: 694 [2024-11-10 19:19:49,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:19:49,156 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 62 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:49,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 514 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-10 19:19:49,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 675. [2024-11-10 19:19:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 591 states have (on average 1.241962774957699) internal successors, (734), 605 states have internal predecessors, (734), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 852 transitions. [2024-11-10 19:19:49,192 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 852 transitions. Word has length 115 [2024-11-10 19:19:49,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:49,193 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 852 transitions. [2024-11-10 19:19:49,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:19:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 852 transitions. [2024-11-10 19:19:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 19:19:49,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:49,194 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:49,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:49,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 19:19:49,399 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:49,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:49,399 INFO L85 PathProgramCache]: Analyzing trace with hash 312776086, now seen corresponding path program 1 times [2024-11-10 19:19:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868789787] [2024-11-10 19:19:49,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:19:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 19:19:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-10 19:19:49,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:49,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868789787] [2024-11-10 19:19:49,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868789787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:49,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:49,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:19:49,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733400366] [2024-11-10 19:19:49,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:49,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:49,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:49,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:49,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:49,531 INFO L87 Difference]: Start difference. First operand 675 states and 852 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:19:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:50,126 INFO L93 Difference]: Finished difference Result 675 states and 852 transitions. [2024-11-10 19:19:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 116 [2024-11-10 19:19:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:50,128 INFO L225 Difference]: With dead ends: 675 [2024-11-10 19:19:50,128 INFO L226 Difference]: Without dead ends: 674 [2024-11-10 19:19:50,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:50,129 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 68 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:50,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 155 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:19:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-10 19:19:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2024-11-10 19:19:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 591 states have (on average 1.2402707275803722) internal successors, (733), 604 states have internal predecessors, (733), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 851 transitions. [2024-11-10 19:19:50,187 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 851 transitions. Word has length 116 [2024-11-10 19:19:50,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:50,187 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 851 transitions. [2024-11-10 19:19:50,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:19:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 851 transitions. [2024-11-10 19:19:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 19:19:50,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:50,188 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:50,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 19:19:50,188 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:50,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:50,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1106124049, now seen corresponding path program 1 times [2024-11-10 19:19:50,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:50,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412807788] [2024-11-10 19:19:50,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:50,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [855072412] [2024-11-10 19:19:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:50,207 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:50,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:19:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:50,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:19:50,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:50,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:52,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412807788] [2024-11-10 19:19:52,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855072412] [2024-11-10 19:19:52,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855072412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:52,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:19:52,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-10 19:19:52,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889525262] [2024-11-10 19:19:52,396 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:52,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:19:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:52,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:19:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:19:52,397 INFO L87 Difference]: Start difference. First operand 674 states and 851 transitions. Second operand has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-10 19:19:54,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:54,912 INFO L93 Difference]: Finished difference Result 688 states and 865 transitions. [2024-11-10 19:19:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:19:54,912 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 117 [2024-11-10 19:19:54,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:54,914 INFO L225 Difference]: With dead ends: 688 [2024-11-10 19:19:54,914 INFO L226 Difference]: Without dead ends: 680 [2024-11-10 19:19:54,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:19:54,915 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 239 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:54,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 393 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 19:19:54,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-10 19:19:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 674. [2024-11-10 19:19:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 591 states have (on average 1.2385786802030456) internal successors, (732), 604 states have internal predecessors, (732), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 19:19:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 850 transitions. [2024-11-10 19:19:54,956 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 850 transitions. Word has length 117 [2024-11-10 19:19:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:54,956 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 850 transitions. [2024-11-10 19:19:54,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.375) internal successors, (134), 17 states have internal predecessors, (134), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-10 19:19:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 850 transitions. [2024-11-10 19:19:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 19:19:54,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:54,957 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1] [2024-11-10 19:19:54,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 19:19:55,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:19:55,157 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:55,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:55,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1906111487, now seen corresponding path program 1 times [2024-11-10 19:19:55,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:55,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503751851] [2024-11-10 19:19:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:19:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 19:19:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:19:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 19:19:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:19:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:19:55,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:55,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503751851] [2024-11-10 19:19:55,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503751851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:55,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374335357] [2024-11-10 19:19:55,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:55,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:55,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:55,244 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:55,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:19:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:55,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:55,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:19:55,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:19:55,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374335357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:55,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:55,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 19:19:55,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169386634] [2024-11-10 19:19:55,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:55,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:19:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:55,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:19:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:55,434 INFO L87 Difference]: Start difference. First operand 674 states and 850 transitions. Second operand has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:19:55,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:55,629 INFO L93 Difference]: Finished difference Result 1218 states and 1510 transitions. [2024-11-10 19:19:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:19:55,630 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 119 [2024-11-10 19:19:55,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:55,633 INFO L225 Difference]: With dead ends: 1218 [2024-11-10 19:19:55,633 INFO L226 Difference]: Without dead ends: 1216 [2024-11-10 19:19:55,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:55,633 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 657 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:55,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 451 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:55,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-11-10 19:19:55,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 777. [2024-11-10 19:19:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 684 states have (on average 1.2222222222222223) internal successors, (836), 697 states have internal predecessors, (836), 69 states have call successors, (69), 10 states have call predecessors, (69), 10 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-10 19:19:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 974 transitions. [2024-11-10 19:19:55,687 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 974 transitions. Word has length 119 [2024-11-10 19:19:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:55,687 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 974 transitions. [2024-11-10 19:19:55,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:19:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 974 transitions. [2024-11-10 19:19:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:19:55,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:55,688 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:55,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:19:55,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:55,888 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash -476625466, now seen corresponding path program 1 times [2024-11-10 19:19:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:55,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93333699] [2024-11-10 19:19:55,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:19:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 19:19:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-10 19:19:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:56,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93333699] [2024-11-10 19:19:56,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93333699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047916213] [2024-11-10 19:19:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:56,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:56,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:56,054 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:56,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:19:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:56,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:56,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:56,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:19:56,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047916213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:56,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:56,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-10 19:19:56,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631247821] [2024-11-10 19:19:56,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:56,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:19:56,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:56,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:19:56,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:19:56,280 INFO L87 Difference]: Start difference. First operand 777 states and 974 transitions. Second operand has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 12 states have internal predecessors, (164), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-10 19:19:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:56,737 INFO L93 Difference]: Finished difference Result 1284 states and 1657 transitions. [2024-11-10 19:19:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:19:56,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 12 states have internal predecessors, (164), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 122 [2024-11-10 19:19:56,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:56,741 INFO L225 Difference]: With dead ends: 1284 [2024-11-10 19:19:56,741 INFO L226 Difference]: Without dead ends: 1088 [2024-11-10 19:19:56,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:19:56,742 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 272 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:56,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 621 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:56,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-10 19:19:56,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 764. [2024-11-10 19:19:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 672 states have (on average 1.2485119047619047) internal successors, (839), 685 states have internal predecessors, (839), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-10 19:19:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 977 transitions. [2024-11-10 19:19:56,790 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 977 transitions. Word has length 122 [2024-11-10 19:19:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:56,790 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 977 transitions. [2024-11-10 19:19:56,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 12 states have internal predecessors, (164), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-10 19:19:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 977 transitions. [2024-11-10 19:19:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-10 19:19:56,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:56,791 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:56,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:56,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:56,992 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:56,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2127504321, now seen corresponding path program 2 times [2024-11-10 19:19:56,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:56,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659281790] [2024-11-10 19:19:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:57,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917687432] [2024-11-10 19:19:57,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:19:57,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:57,016 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:57,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:19:57,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:19:57,065 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:19:57,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:57,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:19:57,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:57,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:57,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659281790] [2024-11-10 19:19:57,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:57,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917687432] [2024-11-10 19:19:57,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917687432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:57,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:57,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:19:57,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152855637] [2024-11-10 19:19:57,744 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:57,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:57,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:57,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:57,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:57,745 INFO L87 Difference]: Start difference. First operand 764 states and 977 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:19:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:57,879 INFO L93 Difference]: Finished difference Result 811 states and 1041 transitions. [2024-11-10 19:19:57,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:19:57,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-11-10 19:19:57,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:57,881 INFO L225 Difference]: With dead ends: 811 [2024-11-10 19:19:57,882 INFO L226 Difference]: Without dead ends: 799 [2024-11-10 19:19:57,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:57,882 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 120 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:57,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 220 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:57,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-11-10 19:19:57,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 789. [2024-11-10 19:19:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 695 states have (on average 1.2057553956834532) internal successors, (838), 706 states have internal predecessors, (838), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-10 19:19:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 984 transitions. [2024-11-10 19:19:57,931 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 984 transitions. Word has length 126 [2024-11-10 19:19:57,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:57,931 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 984 transitions. [2024-11-10 19:19:57,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:19:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 984 transitions. [2024-11-10 19:19:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 19:19:57,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:57,932 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:57,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:58,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:19:58,137 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:58,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:58,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1528124494, now seen corresponding path program 2 times [2024-11-10 19:19:58,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:58,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605815218] [2024-11-10 19:19:58,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:58,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:58,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659356549] [2024-11-10 19:19:58,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:19:58,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:58,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:58,154 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:58,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:19:58,203 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:19:58,204 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:19:58,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:19:58,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:19:58,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:02,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:02,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605815218] [2024-11-10 19:20:02,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:02,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659356549] [2024-11-10 19:20:02,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659356549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:02,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:02,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:20:02,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737710383] [2024-11-10 19:20:02,752 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:02,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:20:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:02,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:20:02,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:20:02,753 INFO L87 Difference]: Start difference. First operand 789 states and 984 transitions. Second operand has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:20:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:02,883 INFO L93 Difference]: Finished difference Result 840 states and 1047 transitions. [2024-11-10 19:20:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:20:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 127 [2024-11-10 19:20:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:02,885 INFO L225 Difference]: With dead ends: 840 [2024-11-10 19:20:02,885 INFO L226 Difference]: Without dead ends: 839 [2024-11-10 19:20:02,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:20:02,886 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 62 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:02,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 313 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:20:02,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-10 19:20:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 822. [2024-11-10 19:20:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 724 states have (on average 1.2030386740331491) internal successors, (871), 735 states have internal predecessors, (871), 77 states have call successors, (77), 9 states have call predecessors, (77), 9 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-10 19:20:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1025 transitions. [2024-11-10 19:20:02,936 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1025 transitions. Word has length 127 [2024-11-10 19:20:02,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:02,937 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1025 transitions. [2024-11-10 19:20:02,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:20:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1025 transitions. [2024-11-10 19:20:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 19:20:02,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:02,937 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:02,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:20:03,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:20:03,138 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:03,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:03,139 INFO L85 PathProgramCache]: Analyzing trace with hash -212925577, now seen corresponding path program 1 times [2024-11-10 19:20:03,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:03,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607247576] [2024-11-10 19:20:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:20:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:20:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:20:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:20:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:20:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:20:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:20:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:20:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 19:20:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:20:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 19:20:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:20:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 19:20:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 19:20:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:20:03,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:03,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607247576] [2024-11-10 19:20:03,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607247576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:03,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648344277] [2024-11-10 19:20:03,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:03,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:03,311 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:03,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:20:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:03,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:20:03,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 399 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:20:03,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:20:03,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648344277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:20:03,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:20:03,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-10 19:20:03,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778645098] [2024-11-10 19:20:03,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:03,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-10 19:20:03,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:03,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-10 19:20:03,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:20:03,712 INFO L87 Difference]: Start difference. First operand 822 states and 1025 transitions. Second operand has 26 states, 25 states have (on average 7.28) internal successors, (182), 26 states have internal predecessors, (182), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-10 19:20:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:04,230 INFO L93 Difference]: Finished difference Result 988 states and 1207 transitions. [2024-11-10 19:20:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-10 19:20:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.28) internal successors, (182), 26 states have internal predecessors, (182), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 152 [2024-11-10 19:20:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:04,233 INFO L225 Difference]: With dead ends: 988 [2024-11-10 19:20:04,233 INFO L226 Difference]: Without dead ends: 979 [2024-11-10 19:20:04,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2024-11-10 19:20:04,235 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 229 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:04,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 812 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:20:04,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-10 19:20:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 939. [2024-11-10 19:20:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 830 states have (on average 1.1879518072289157) internal successors, (986), 841 states have internal predecessors, (986), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 19:20:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1152 transitions. [2024-11-10 19:20:04,291 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1152 transitions. Word has length 152 [2024-11-10 19:20:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:04,291 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1152 transitions. [2024-11-10 19:20:04,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.28) internal successors, (182), 26 states have internal predecessors, (182), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-10 19:20:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1152 transitions. [2024-11-10 19:20:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 19:20:04,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:04,292 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:04,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-10 19:20:04,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:20:04,496 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:04,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:04,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1341096942, now seen corresponding path program 1 times [2024-11-10 19:20:04,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:04,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886506206] [2024-11-10 19:20:04,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:04,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:20:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:20:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:20:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:20:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:20:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:20:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:20:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:20:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 19:20:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:20:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 19:20:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 19:20:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 19:20:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:04,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:04,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886506206] [2024-11-10 19:20:04,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886506206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:04,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686289940] [2024-11-10 19:20:04,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:04,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:04,707 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:04,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:20:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:04,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:20:04,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:04,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:06,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686289940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:20:06,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:20:06,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 22 [2024-11-10 19:20:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281890109] [2024-11-10 19:20:06,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:06,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:20:06,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:06,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:20:06,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:20:06,236 INFO L87 Difference]: Start difference. First operand 939 states and 1152 transitions. Second operand has 23 states, 22 states have (on average 12.0) internal successors, (264), 23 states have internal predecessors, (264), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:20:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:07,148 INFO L93 Difference]: Finished difference Result 1311 states and 1617 transitions. [2024-11-10 19:20:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:20:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 12.0) internal successors, (264), 23 states have internal predecessors, (264), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 154 [2024-11-10 19:20:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:07,152 INFO L225 Difference]: With dead ends: 1311 [2024-11-10 19:20:07,152 INFO L226 Difference]: Without dead ends: 1310 [2024-11-10 19:20:07,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=443, Invalid=747, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 19:20:07,153 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 641 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:07,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 861 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:20:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2024-11-10 19:20:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1170. [2024-11-10 19:20:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1045 states have (on average 1.186602870813397) internal successors, (1240), 1056 states have internal predecessors, (1240), 99 states have call successors, (99), 14 states have call predecessors, (99), 14 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-10 19:20:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1438 transitions. [2024-11-10 19:20:07,230 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1438 transitions. Word has length 154 [2024-11-10 19:20:07,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:07,230 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1438 transitions. [2024-11-10 19:20:07,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 12.0) internal successors, (264), 23 states have internal predecessors, (264), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:20:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1438 transitions. [2024-11-10 19:20:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 19:20:07,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:07,232 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:07,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:20:07,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:20:07,433 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:07,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash 606393948, now seen corresponding path program 1 times [2024-11-10 19:20:07,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:07,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243842325] [2024-11-10 19:20:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:20:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:20:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:20:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:20:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:20:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:20:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:20:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:20:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 19:20:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:20:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 19:20:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 19:20:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 19:20:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:07,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243842325] [2024-11-10 19:20:07,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243842325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:07,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981567448] [2024-11-10 19:20:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:07,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:07,620 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:07,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:20:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:20:07,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:20:07,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:20:07,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:08,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981567448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:20:08,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:20:08,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 26 [2024-11-10 19:20:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059169824] [2024-11-10 19:20:08,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-10 19:20:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-10 19:20:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:20:08,043 INFO L87 Difference]: Start difference. First operand 1170 states and 1438 transitions. Second operand has 26 states, 26 states have (on average 7.576923076923077) internal successors, (197), 26 states have internal predecessors, (197), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-10 19:20:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:08,474 INFO L93 Difference]: Finished difference Result 1570 states and 1921 transitions. [2024-11-10 19:20:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-10 19:20:08,474 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.576923076923077) internal successors, (197), 26 states have internal predecessors, (197), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) Word has length 155 [2024-11-10 19:20:08,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:08,478 INFO L225 Difference]: With dead ends: 1570 [2024-11-10 19:20:08,478 INFO L226 Difference]: Without dead ends: 1562 [2024-11-10 19:20:08,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=608, Invalid=2044, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 19:20:08,479 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 341 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:08,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 776 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:20:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2024-11-10 19:20:08,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1526. [2024-11-10 19:20:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1376 states have (on average 1.1671511627906976) internal successors, (1606), 1387 states have internal predecessors, (1606), 119 states have call successors, (119), 19 states have call predecessors, (119), 19 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-10 19:20:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1844 transitions. [2024-11-10 19:20:08,578 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1844 transitions. Word has length 155 [2024-11-10 19:20:08,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:08,578 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1844 transitions. [2024-11-10 19:20:08,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.576923076923077) internal successors, (197), 26 states have internal predecessors, (197), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-10 19:20:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1844 transitions. [2024-11-10 19:20:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 19:20:08,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:08,579 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:08,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:20:08,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:08,780 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:08,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:08,780 INFO L85 PathProgramCache]: Analyzing trace with hash -458409612, now seen corresponding path program 3 times [2024-11-10 19:20:08,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:08,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898669076] [2024-11-10 19:20:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:08,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492933009] [2024-11-10 19:20:08,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:20:08,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:08,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:08,799 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:08,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:20:08,842 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:20:08,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:08,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:20:08,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 39 proven. 52 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:20:09,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:09,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:09,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898669076] [2024-11-10 19:20:09,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:09,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492933009] [2024-11-10 19:20:09,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492933009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:09,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:09,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:20:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903456494] [2024-11-10 19:20:09,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:09,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:20:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:20:09,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:20:09,647 INFO L87 Difference]: Start difference. First operand 1526 states and 1844 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:20:11,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:11,207 INFO L93 Difference]: Finished difference Result 1697 states and 2063 transitions. [2024-11-10 19:20:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:20:11,208 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 156 [2024-11-10 19:20:11,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:11,212 INFO L225 Difference]: With dead ends: 1697 [2024-11-10 19:20:11,212 INFO L226 Difference]: Without dead ends: 1696 [2024-11-10 19:20:11,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:20:11,213 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 140 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:11,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:20:11,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2024-11-10 19:20:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1644. [2024-11-10 19:20:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1484 states have (on average 1.169811320754717) internal successors, (1736), 1495 states have internal predecessors, (1736), 129 states have call successors, (129), 19 states have call predecessors, (129), 19 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 19:20:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 1994 transitions. [2024-11-10 19:20:11,322 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 1994 transitions. Word has length 156 [2024-11-10 19:20:11,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:11,322 INFO L471 AbstractCegarLoop]: Abstraction has 1644 states and 1994 transitions. [2024-11-10 19:20:11,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:20:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1994 transitions. [2024-11-10 19:20:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 19:20:11,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:11,323 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:11,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:20:11,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:11,527 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:11,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1849994834, now seen corresponding path program 2 times [2024-11-10 19:20:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:11,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378562191] [2024-11-10 19:20:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:11,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:11,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983362328] [2024-11-10 19:20:11,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:20:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:11,541 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:11,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:20:11,594 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:20:11,594 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:11,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 19:20:11,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:20:12,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:12,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:12,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378562191] [2024-11-10 19:20:12,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:12,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983362328] [2024-11-10 19:20:12,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983362328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:12,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:12,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-10 19:20:12,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792068124] [2024-11-10 19:20:12,936 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:12,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:20:12,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:12,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:20:12,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:20:12,937 INFO L87 Difference]: Start difference. First operand 1644 states and 1994 transitions. Second operand has 15 states, 14 states have (on average 6.5) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:20:13,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:13,591 INFO L93 Difference]: Finished difference Result 1653 states and 2003 transitions. [2024-11-10 19:20:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:20:13,591 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.5) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 158 [2024-11-10 19:20:13,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:13,595 INFO L225 Difference]: With dead ends: 1653 [2024-11-10 19:20:13,595 INFO L226 Difference]: Without dead ends: 1652 [2024-11-10 19:20:13,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:20:13,596 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 105 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:13,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 682 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:20:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-11-10 19:20:13,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1644. [2024-11-10 19:20:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1484 states have (on average 1.1691374663072776) internal successors, (1735), 1495 states have internal predecessors, (1735), 129 states have call successors, (129), 19 states have call predecessors, (129), 19 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 19:20:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 1993 transitions. [2024-11-10 19:20:13,697 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 1993 transitions. Word has length 158 [2024-11-10 19:20:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:13,698 INFO L471 AbstractCegarLoop]: Abstraction has 1644 states and 1993 transitions. [2024-11-10 19:20:13,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.5) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:20:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1993 transitions. [2024-11-10 19:20:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 19:20:13,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:13,699 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:13,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-10 19:20:13,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-10 19:20:13,900 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:13,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash -565103626, now seen corresponding path program 4 times [2024-11-10 19:20:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:13,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870072043] [2024-11-10 19:20:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:13,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:13,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530119757] [2024-11-10 19:20:13,923 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:20:13,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:13,924 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:13,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:20:13,992 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:20:13,992 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:13,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:20:13,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:14,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:14,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:14,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870072043] [2024-11-10 19:20:14,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:14,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530119757] [2024-11-10 19:20:14,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530119757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:14,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:14,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:20:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622332710] [2024-11-10 19:20:14,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:14,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:20:14,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:14,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:20:14,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:20:14,747 INFO L87 Difference]: Start difference. First operand 1644 states and 1993 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:20:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:15,227 INFO L93 Difference]: Finished difference Result 1688 states and 2045 transitions. [2024-11-10 19:20:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:20:15,227 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 162 [2024-11-10 19:20:15,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:15,231 INFO L225 Difference]: With dead ends: 1688 [2024-11-10 19:20:15,231 INFO L226 Difference]: Without dead ends: 1687 [2024-11-10 19:20:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:20:15,232 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:15,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 673 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:20:15,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2024-11-10 19:20:15,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1649. [2024-11-10 19:20:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1489 states have (on average 1.163196776359973) internal successors, (1732), 1500 states have internal predecessors, (1732), 129 states have call successors, (129), 19 states have call predecessors, (129), 19 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 19:20:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 1990 transitions. [2024-11-10 19:20:15,346 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 1990 transitions. Word has length 162 [2024-11-10 19:20:15,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:15,346 INFO L471 AbstractCegarLoop]: Abstraction has 1649 states and 1990 transitions. [2024-11-10 19:20:15,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:20:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1990 transitions. [2024-11-10 19:20:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 19:20:15,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:15,347 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:15,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:20:15,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:15,552 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:20:15,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:15,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1898704812, now seen corresponding path program 3 times [2024-11-10 19:20:15,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:15,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725503897] [2024-11-10 19:20:15,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:15,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380159801] [2024-11-10 19:20:15,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:20:15,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:15,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:15,569 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:15,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:20:15,615 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:20:15,616 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:15,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-10 19:20:15,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:20:16,465 INFO L311 TraceCheckSpWp]: Computing backward predicates...