./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:28:21,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:28:21,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:28:21,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:28:21,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:28:21,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:28:21,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:28:21,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:28:21,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:28:21,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:28:21,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:28:21,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:28:21,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:28:21,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:28:21,724 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:28:21,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:28:21,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:28:21,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:28:21,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:28:21,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:28:21,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:28:21,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:28:21,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:28:21,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:28:21,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:28:21,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:28:21,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:28:21,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:28:21,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:28:21,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:28:21,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:28:21,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:28:21,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:28:21,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:28:21,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2024-11-20 18:28:21,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:28:21,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:28:21,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:28:21,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:28:21,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:28:21,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-11-20 18:28:23,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:28:23,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:28:23,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-11-20 18:28:23,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc50dedad/a2b5c1674a9d47fe978f9bd08f898564/FLAGefe24b50e [2024-11-20 18:28:23,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc50dedad/a2b5c1674a9d47fe978f9bd08f898564 [2024-11-20 18:28:23,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:28:23,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:28:23,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:28:23,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:28:23,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:28:23,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7581b997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23, skipping insertion in model container [2024-11-20 18:28:23,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:28:23,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:28:23,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:28:23,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:28:23,782 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:28:23,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23 WrapperNode [2024-11-20 18:28:23,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:28:23,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:28:23,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:28:23,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:28:23,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,851 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-11-20 18:28:23,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:28:23,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:28:23,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:28:23,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:28:23,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,870 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]. [2024-11-20 18:28:23,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:28:23,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:28:23,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:28:23,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:28:23,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (1/1) ... [2024-11-20 18:28:23,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:28:23,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:23,911 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) [2024-11-20 18:28:23,922 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 [2024-11-20 18:28:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:28:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:28:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:28:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:28:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:28:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:28:24,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:28:24,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:28:24,604 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-20 18:28:24,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:28:24,630 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:28:24,630 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:28:24,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:24 BoogieIcfgContainer [2024-11-20 18:28:24,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:28:24,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:28:24,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:28:24,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:28:24,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:28:23" (1/3) ... [2024-11-20 18:28:24,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e02791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:28:24, skipping insertion in model container [2024-11-20 18:28:24,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:23" (2/3) ... [2024-11-20 18:28:24,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e02791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:28:24, skipping insertion in model container [2024-11-20 18:28:24,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:24" (3/3) ... [2024-11-20 18:28:24,640 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2024-11-20 18:28:24,655 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:28:24,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-11-20 18:28:24,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:28:24,721 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;@75f82472, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:28:24,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-20 18:28:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:28:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:28:24,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:24,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:28:24,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:24,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash 889508963, now seen corresponding path program 1 times [2024-11-20 18:28:24,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:24,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107024431] [2024-11-20 18:28:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:28:24,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:24,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107024431] [2024-11-20 18:28:24,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107024431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:24,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:24,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:24,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122252875] [2024-11-20 18:28:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:24,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:28:24,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:28:24,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:28:24,882 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2024-11-20 18:28:24,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:24,914 INFO L93 Difference]: Finished difference Result 595 states and 640 transitions. [2024-11-20 18:28:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:28:24,920 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 [2024-11-20 18:28:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:24,930 INFO L225 Difference]: With dead ends: 595 [2024-11-20 18:28:24,930 INFO L226 Difference]: Without dead ends: 289 [2024-11-20 18:28:24,936 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 [2024-11-20 18:28:24,942 INFO L432 NwaCegarLoop]: 305 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, 305 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 [2024-11-20 18:28:24,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:28:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-20 18:28:24,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-20 18:28:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:28:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2024-11-20 18:28:25,000 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2024-11-20 18:28:25,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:25,001 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2024-11-20 18:28:25,001 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) [2024-11-20 18:28:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2024-11-20 18:28:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:28:25,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:25,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:28:25,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:28:25,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:25,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-20 18:28:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487333224] [2024-11-20 18:28:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:28:25,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:25,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487333224] [2024-11-20 18:28:25,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487333224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:25,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:25,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:25,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967384833] [2024-11-20 18:28:25,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:25,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:25,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:25,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:25,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:25,106 INFO L87 Difference]: Start difference. First operand 289 states and 298 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:28:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:25,264 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2024-11-20 18:28:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:25,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2024-11-20 18:28:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:25,267 INFO L225 Difference]: With dead ends: 558 [2024-11-20 18:28:25,267 INFO L226 Difference]: Without dead ends: 538 [2024-11-20 18:28:25,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:25,268 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:25,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:25,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-20 18:28:25,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2024-11-20 18:28:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-20 18:28:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2024-11-20 18:28:25,288 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2024-11-20 18:28:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:25,288 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2024-11-20 18:28:25,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:28:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2024-11-20 18:28:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:28:25,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:25,289 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, 1, 1, 1] [2024-11-20 18:28:25,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:28:25,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:25,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:25,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1390848492, now seen corresponding path program 1 times [2024-11-20 18:28:25,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:25,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893495189] [2024-11-20 18:28:25,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:25,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:25,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441879008] [2024-11-20 18:28:25,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:25,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:25,333 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) [2024-11-20 18:28:25,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:28:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:25,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:28:25,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:25,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:28:25,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:25,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893495189] [2024-11-20 18:28:25,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:25,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441879008] [2024-11-20 18:28:25,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441879008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:25,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:25,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:25,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659834823] [2024-11-20 18:28:25,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:25,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:25,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:25,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:25,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:25,564 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-20 18:28:25,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:25,938 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2024-11-20 18:28:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 39 [2024-11-20 18:28:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:25,940 INFO L225 Difference]: With dead ends: 508 [2024-11-20 18:28:25,940 INFO L226 Difference]: Without dead ends: 453 [2024-11-20 18:28:25,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:25,941 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:25,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:28:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-20 18:28:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2024-11-20 18:28:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2024-11-20 18:28:25,957 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2024-11-20 18:28:25,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:25,957 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2024-11-20 18:28:25,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-20 18:28:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2024-11-20 18:28:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-20 18:28:25,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:25,958 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, 1, 1, 1, 1, 1] [2024-11-20 18:28:25,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:26,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:26,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:26,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash 870574670, now seen corresponding path program 1 times [2024-11-20 18:28:26,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424654181] [2024-11-20 18:28:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:26,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:26,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424654181] [2024-11-20 18:28:26,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424654181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:26,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:26,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:26,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137596164] [2024-11-20 18:28:26,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:26,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:26,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:26,248 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-20 18:28:26,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:26,501 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2024-11-20 18:28:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:26,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 41 [2024-11-20 18:28:26,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:26,503 INFO L225 Difference]: With dead ends: 466 [2024-11-20 18:28:26,503 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 18:28:26,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:26,505 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:26,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:28:26,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 18:28:26,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-20 18:28:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2024-11-20 18:28:26,516 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2024-11-20 18:28:26,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:26,517 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2024-11-20 18:28:26,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-20 18:28:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2024-11-20 18:28:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-20 18:28:26,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:26,518 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:26,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:28:26,518 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:26,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -896361808, now seen corresponding path program 1 times [2024-11-20 18:28:26,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:26,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393036651] [2024-11-20 18:28:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:26,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:26,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393036651] [2024-11-20 18:28:26,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393036651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:26,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:26,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:28:26,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373758438] [2024-11-20 18:28:26,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:26,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:28:26,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:26,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:28:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:26,597 INFO L87 Difference]: Start difference. First operand 433 states and 480 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-20 18:28:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:27,047 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2024-11-20 18:28:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:28:27,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2024-11-20 18:28:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:27,050 INFO L225 Difference]: With dead ends: 445 [2024-11-20 18:28:27,051 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 18:28:27,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:27,052 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:27,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:28:27,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 18:28:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-20 18:28:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2024-11-20 18:28:27,067 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2024-11-20 18:28:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:27,067 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2024-11-20 18:28:27,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-20 18:28:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2024-11-20 18:28:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-20 18:28:27,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:27,068 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:27,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:28:27,069 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:27,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2017412173, now seen corresponding path program 1 times [2024-11-20 18:28:27,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:27,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404176537] [2024-11-20 18:28:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:27,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:27,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:27,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404176537] [2024-11-20 18:28:27,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404176537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:27,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:27,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:28:27,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39117813] [2024-11-20 18:28:27,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:27,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:28:27,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:27,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:28:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:27,187 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-20 18:28:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:28,656 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2024-11-20 18:28:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:28:28,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 44 [2024-11-20 18:28:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:28,658 INFO L225 Difference]: With dead ends: 445 [2024-11-20 18:28:28,658 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 18:28:28,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:28,659 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:28,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 18:28:28,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 18:28:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-20 18:28:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2024-11-20 18:28:28,684 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2024-11-20 18:28:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:28,684 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2024-11-20 18:28:28,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-20 18:28:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2024-11-20 18:28:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 18:28:28,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:28,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:28,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:28:28,685 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:28,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1248572556, now seen corresponding path program 1 times [2024-11-20 18:28:28,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:28,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700024091] [2024-11-20 18:28:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:28,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:28,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537645424] [2024-11-20 18:28:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:28,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:28,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:28,708 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) [2024-11-20 18:28:28,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:28:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:28,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:28:28,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:28,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:28:28,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:28,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700024091] [2024-11-20 18:28:28,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:28,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537645424] [2024-11-20 18:28:28,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537645424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:28,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:28,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:28,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315439693] [2024-11-20 18:28:28,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:28,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:28,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:28,993 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-20 18:28:29,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:29,364 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2024-11-20 18:28:29,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:29,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 47 [2024-11-20 18:28:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:29,368 INFO L225 Difference]: With dead ends: 450 [2024-11-20 18:28:29,368 INFO L226 Difference]: Without dead ends: 441 [2024-11-20 18:28:29,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:29,369 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:29,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:28:29,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-20 18:28:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2024-11-20 18:28:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2024-11-20 18:28:29,383 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2024-11-20 18:28:29,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:29,383 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2024-11-20 18:28:29,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-20 18:28:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2024-11-20 18:28:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-20 18:28:29,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:29,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:29,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:29,586 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,SelfDestructingSolverStorable6 [2024-11-20 18:28:29,586 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:29,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash -51043465, now seen corresponding path program 1 times [2024-11-20 18:28:29,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:29,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899684803] [2024-11-20 18:28:29,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:29,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:29,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:29,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:29,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899684803] [2024-11-20 18:28:29,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899684803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:29,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:29,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:28:29,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549534031] [2024-11-20 18:28:29,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:29,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:28:29,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:29,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:28:29,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:29,674 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-20 18:28:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:29,968 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2024-11-20 18:28:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:28:29,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 48 [2024-11-20 18:28:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:29,972 INFO L225 Difference]: With dead ends: 449 [2024-11-20 18:28:29,972 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 18:28:29,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:29,973 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:29,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:28:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 18:28:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2024-11-20 18:28:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:28:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2024-11-20 18:28:29,982 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2024-11-20 18:28:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:29,982 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2024-11-20 18:28:29,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-20 18:28:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2024-11-20 18:28:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-20 18:28:29,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:29,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:29,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:28:29,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:29,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:29,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1852558139, now seen corresponding path program 1 times [2024-11-20 18:28:29,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:29,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848418030] [2024-11-20 18:28:29,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:29,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:28:30,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:30,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848418030] [2024-11-20 18:28:30,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848418030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:30,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:30,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:28:30,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47189871] [2024-11-20 18:28:30,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:30,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:28:30,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:30,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:28:30,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:30,087 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-20 18:28:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:30,458 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2024-11-20 18:28:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:30,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 52 [2024-11-20 18:28:30,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:30,459 INFO L225 Difference]: With dead ends: 447 [2024-11-20 18:28:30,459 INFO L226 Difference]: Without dead ends: 374 [2024-11-20 18:28:30,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:28:30,460 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 226 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:30,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 271 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:28:30,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-20 18:28:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-20 18:28:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2024-11-20 18:28:30,467 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2024-11-20 18:28:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:30,468 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2024-11-20 18:28:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-20 18:28:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2024-11-20 18:28:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-20 18:28:30,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:30,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:30,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:28:30,469 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:30,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash 386547261, now seen corresponding path program 1 times [2024-11-20 18:28:30,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:30,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975972070] [2024-11-20 18:28:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:30,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:30,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:30,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975972070] [2024-11-20 18:28:30,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975972070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:30,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:30,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:30,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486058504] [2024-11-20 18:28:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:30,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:30,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:30,528 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-20 18:28:30,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:30,743 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2024-11-20 18:28:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2024-11-20 18:28:30,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:30,745 INFO L225 Difference]: With dead ends: 370 [2024-11-20 18:28:30,745 INFO L226 Difference]: Without dead ends: 363 [2024-11-20 18:28:30,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:30,745 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:30,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:28:30,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-20 18:28:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-20 18:28:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2024-11-20 18:28:30,752 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2024-11-20 18:28:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:30,753 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2024-11-20 18:28:30,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-20 18:28:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2024-11-20 18:28:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-20 18:28:30,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:30,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:30,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 18:28:30,754 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:30,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:30,754 INFO L85 PathProgramCache]: Analyzing trace with hash -901936631, now seen corresponding path program 1 times [2024-11-20 18:28:30,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:30,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811432262] [2024-11-20 18:28:30,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:30,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:30,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:30,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811432262] [2024-11-20 18:28:30,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811432262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:30,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:30,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:30,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265132308] [2024-11-20 18:28:30,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:30,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:30,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:30,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:30,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:30,805 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-20 18:28:30,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:30,985 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2024-11-20 18:28:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:30,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 85 [2024-11-20 18:28:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:30,987 INFO L225 Difference]: With dead ends: 370 [2024-11-20 18:28:30,987 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 18:28:30,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:30,988 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:30,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:28:30,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 18:28:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-11-20 18:28:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2024-11-20 18:28:30,995 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2024-11-20 18:28:30,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:30,995 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2024-11-20 18:28:30,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-20 18:28:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2024-11-20 18:28:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 18:28:30,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:30,996 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:30,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 18:28:30,996 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:30,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:30,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1031775984, now seen corresponding path program 1 times [2024-11-20 18:28:30,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:30,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123693464] [2024-11-20 18:28:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 18:28:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:28:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:31,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123693464] [2024-11-20 18:28:31,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123693464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:31,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:31,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171488617] [2024-11-20 18:28:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:31,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:31,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:31,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:31,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:31,064 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-20 18:28:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:31,115 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2024-11-20 18:28:31,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:31,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-11-20 18:28:31,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:31,117 INFO L225 Difference]: With dead ends: 365 [2024-11-20 18:28:31,117 INFO L226 Difference]: Without dead ends: 363 [2024-11-20 18:28:31,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:31,118 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:31,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:28:31,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-20 18:28:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-20 18:28:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2024-11-20 18:28:31,125 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2024-11-20 18:28:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:31,125 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2024-11-20 18:28:31,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-20 18:28:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2024-11-20 18:28:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 18:28:31,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:31,126 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:31,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 18:28:31,126 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:31,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:31,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1920284614, now seen corresponding path program 1 times [2024-11-20 18:28:31,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:31,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753462386] [2024-11-20 18:28:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 18:28:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:28:31,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:31,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753462386] [2024-11-20 18:28:31,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753462386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:31,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:31,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:28:31,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533708880] [2024-11-20 18:28:31,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:31,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:31,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:31,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:31,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:31,209 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:28:31,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:31,365 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2024-11-20 18:28:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:28:31,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-11-20 18:28:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:31,370 INFO L225 Difference]: With dead ends: 367 [2024-11-20 18:28:31,370 INFO L226 Difference]: Without dead ends: 363 [2024-11-20 18:28:31,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:31,370 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:31,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:31,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-20 18:28:31,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2024-11-20 18:28:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2024-11-20 18:28:31,378 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2024-11-20 18:28:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:31,378 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2024-11-20 18:28:31,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:28:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2024-11-20 18:28:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 18:28:31,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:31,379 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:31,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 18:28:31,380 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:31,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:31,380 INFO L85 PathProgramCache]: Analyzing trace with hash 822292939, now seen corresponding path program 1 times [2024-11-20 18:28:31,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:31,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339173700] [2024-11-20 18:28:31,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:31,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:31,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339173700] [2024-11-20 18:28:31,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339173700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:31,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300652900] [2024-11-20 18:28:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:31,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:31,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:31,438 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) [2024-11-20 18:28:31,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:28:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:28:31,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:31,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:28:31,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300652900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:31,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:31,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 18:28:31,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152367980] [2024-11-20 18:28:31,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:31,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:28:31,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:31,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:28:31,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:31,562 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-20 18:28:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:31,653 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2024-11-20 18:28:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:28:31,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 87 [2024-11-20 18:28:31,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:31,655 INFO L225 Difference]: With dead ends: 363 [2024-11-20 18:28:31,655 INFO L226 Difference]: Without dead ends: 355 [2024-11-20 18:28:31,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:31,656 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 254 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:31,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 389 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-20 18:28:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-11-20 18:28:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-20 18:28:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2024-11-20 18:28:31,663 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2024-11-20 18:28:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:31,664 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2024-11-20 18:28:31,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-20 18:28:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2024-11-20 18:28:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 18:28:31,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:31,665 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:31,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:28:31,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:31,866 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:31,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:31,866 INFO L85 PathProgramCache]: Analyzing trace with hash -278722615, now seen corresponding path program 1 times [2024-11-20 18:28:31,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:31,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905669039] [2024-11-20 18:28:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:31,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:31,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905669039] [2024-11-20 18:28:31,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905669039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:31,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568342227] [2024-11-20 18:28:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:31,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:31,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:31,921 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) [2024-11-20 18:28:31,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:28:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:31,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:28:31,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:32,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:28:32,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568342227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:32,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:28:32,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 18:28:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181916240] [2024-11-20 18:28:32,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:32,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:28:32,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:32,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:28:32,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:28:32,147 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-20 18:28:32,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:32,287 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2024-11-20 18:28:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:28:32,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2024-11-20 18:28:32,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:32,290 INFO L225 Difference]: With dead ends: 614 [2024-11-20 18:28:32,290 INFO L226 Difference]: Without dead ends: 606 [2024-11-20 18:28:32,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:28:32,290 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 467 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:32,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 747 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:32,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-20 18:28:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2024-11-20 18:28:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:28:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2024-11-20 18:28:32,300 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2024-11-20 18:28:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:32,301 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2024-11-20 18:28:32,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-20 18:28:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2024-11-20 18:28:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 18:28:32,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:32,302 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:32,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:32,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 18:28:32,503 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:32,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1460160748, now seen corresponding path program 1 times [2024-11-20 18:28:32,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:32,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098247565] [2024-11-20 18:28:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:32,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88654189] [2024-11-20 18:28:32,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:32,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:32,520 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) [2024-11-20 18:28:32,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:28:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:32,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:28:32,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:28:32,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:28:32,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:32,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098247565] [2024-11-20 18:28:32,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:32,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88654189] [2024-11-20 18:28:32,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88654189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:32,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:28:32,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-20 18:28:32,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812372754] [2024-11-20 18:28:32,793 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:32,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:28:32,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:32,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:28:32,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:28:32,794 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-20 18:28:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:32,967 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2024-11-20 18:28:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:28:32,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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 99 [2024-11-20 18:28:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:32,969 INFO L225 Difference]: With dead ends: 616 [2024-11-20 18:28:32,969 INFO L226 Difference]: Without dead ends: 611 [2024-11-20 18:28:32,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:28:32,970 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:32,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:32,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-20 18:28:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2024-11-20 18:28:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2024-11-20 18:28:32,985 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2024-11-20 18:28:32,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:32,985 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2024-11-20 18:28:32,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-20 18:28:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2024-11-20 18:28:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 18:28:32,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:32,986 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:32,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:28:33,187 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,SelfDestructingSolverStorable15 [2024-11-20 18:28:33,189 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:33,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:33,192 INFO L85 PathProgramCache]: Analyzing trace with hash -590433326, now seen corresponding path program 1 times [2024-11-20 18:28:33,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:33,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113254128] [2024-11-20 18:28:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 18:28:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:28:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:28:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:33,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113254128] [2024-11-20 18:28:33,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113254128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:33,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:33,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:28:33,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685463094] [2024-11-20 18:28:33,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:33,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:33,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:33,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:33,377 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-20 18:28:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:33,526 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2024-11-20 18:28:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:28:33,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 104 [2024-11-20 18:28:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:33,528 INFO L225 Difference]: With dead ends: 424 [2024-11-20 18:28:33,528 INFO L226 Difference]: Without dead ends: 396 [2024-11-20 18:28:33,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:33,529 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 456 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:33,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 416 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-20 18:28:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-20 18:28:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 272 states have (on average 1.4889705882352942) internal successors, (405), 373 states have internal predecessors, (405), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:28:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2024-11-20 18:28:33,544 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 104 [2024-11-20 18:28:33,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:33,544 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2024-11-20 18:28:33,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-20 18:28:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2024-11-20 18:28:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 18:28:33,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:33,545 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:33,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 18:28:33,546 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:33,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:33,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949401, now seen corresponding path program 1 times [2024-11-20 18:28:33,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:33,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91991630] [2024-11-20 18:28:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:33,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:33,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725321184] [2024-11-20 18:28:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:33,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:33,568 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) [2024-11-20 18:28:33,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:28:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:33,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:28:33,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:33,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:28:33,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91991630] [2024-11-20 18:28:33,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725321184] [2024-11-20 18:28:33,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725321184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:33,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:33,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:28:33,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239055842] [2024-11-20 18:28:33,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:33,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:33,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:33,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:33,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:28:33,854 INFO L87 Difference]: Start difference. First operand 396 states and 447 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:28:34,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:34,359 INFO L93 Difference]: Finished difference Result 396 states and 447 transitions. [2024-11-20 18:28:34,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:28:34,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-11-20 18:28:34,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:34,361 INFO L225 Difference]: With dead ends: 396 [2024-11-20 18:28:34,361 INFO L226 Difference]: Without dead ends: 386 [2024-11-20 18:28:34,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:28:34,361 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 133 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:34,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 263 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:28:34,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-20 18:28:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-20 18:28:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 272 states have (on average 1.4375) internal successors, (391), 363 states have internal predecessors, (391), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:28:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-20 18:28:34,373 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 120 [2024-11-20 18:28:34,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:34,373 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-20 18:28:34,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:28:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-20 18:28:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 18:28:34,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:34,374 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:34,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:34,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:28:34,575 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -42823788, now seen corresponding path program 1 times [2024-11-20 18:28:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:34,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628960232] [2024-11-20 18:28:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:34,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:34,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827787048] [2024-11-20 18:28:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:34,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:34,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:34,598 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) [2024-11-20 18:28:34,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:28:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:34,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:28:34,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:34,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:35,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:35,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628960232] [2024-11-20 18:28:35,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:35,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827787048] [2024-11-20 18:28:35,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827787048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:35,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:35,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:28:35,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528631607] [2024-11-20 18:28:35,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:35,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:35,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:35,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:35,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:35,190 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:28:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:35,815 INFO L93 Difference]: Finished difference Result 511 states and 590 transitions. [2024-11-20 18:28:35,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:28:35,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2024-11-20 18:28:35,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:35,817 INFO L225 Difference]: With dead ends: 511 [2024-11-20 18:28:35,817 INFO L226 Difference]: Without dead ends: 487 [2024-11-20 18:28:35,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:35,817 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 129 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:35,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 302 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:28:35,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-20 18:28:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 471. [2024-11-20 18:28:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 352 states have (on average 1.4403409090909092) internal successors, (507), 443 states have internal predecessors, (507), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:28:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 559 transitions. [2024-11-20 18:28:35,828 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 559 transitions. Word has length 121 [2024-11-20 18:28:35,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:35,829 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 559 transitions. [2024-11-20 18:28:35,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:28:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 559 transitions. [2024-11-20 18:28:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 18:28:35,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:35,830 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:35,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:36,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:36,035 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:36,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1327537335, now seen corresponding path program 1 times [2024-11-20 18:28:36,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64003531] [2024-11-20 18:28:36,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:36,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:36,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64003531] [2024-11-20 18:28:36,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64003531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:36,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87143329] [2024-11-20 18:28:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:36,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:36,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:36,128 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) [2024-11-20 18:28:36,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:28:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:36,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:28:36,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:36,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:36,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87143329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:36,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:28:36,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-20 18:28:36,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983692110] [2024-11-20 18:28:36,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:36,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:28:36,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:36,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:28:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:36,540 INFO L87 Difference]: Start difference. First operand 471 states and 559 transitions. Second operand has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-20 18:28:37,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:37,060 INFO L93 Difference]: Finished difference Result 493 states and 566 transitions. [2024-11-20 18:28:37,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:28:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2024-11-20 18:28:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:37,062 INFO L225 Difference]: With dead ends: 493 [2024-11-20 18:28:37,062 INFO L226 Difference]: Without dead ends: 488 [2024-11-20 18:28:37,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:28:37,063 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 330 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:37,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 615 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:28:37,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-20 18:28:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 467. [2024-11-20 18:28:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 352 states have (on average 1.4147727272727273) internal successors, (498), 439 states have internal predecessors, (498), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:28:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 550 transitions. [2024-11-20 18:28:37,075 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 550 transitions. Word has length 122 [2024-11-20 18:28:37,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:37,075 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 550 transitions. [2024-11-20 18:28:37,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-20 18:28:37,075 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 550 transitions. [2024-11-20 18:28:37,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-20 18:28:37,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:37,076 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:37,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:28:37,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:37,277 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:37,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:37,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1796015670, now seen corresponding path program 1 times [2024-11-20 18:28:37,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:37,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159256713] [2024-11-20 18:28:37,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:37,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:37,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:37,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159256713] [2024-11-20 18:28:37,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159256713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:37,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883420927] [2024-11-20 18:28:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:37,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:37,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:37,376 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) [2024-11-20 18:28:37,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:28:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:37,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:28:37,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:37,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:37,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883420927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:37,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:28:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-20 18:28:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297404284] [2024-11-20 18:28:37,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:37,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:28:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:37,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:28:37,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:37,745 INFO L87 Difference]: Start difference. First operand 467 states and 550 transitions. Second operand has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-20 18:28:38,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:38,301 INFO L93 Difference]: Finished difference Result 489 states and 557 transitions. [2024-11-20 18:28:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:28:38,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 123 [2024-11-20 18:28:38,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:38,303 INFO L225 Difference]: With dead ends: 489 [2024-11-20 18:28:38,303 INFO L226 Difference]: Without dead ends: 484 [2024-11-20 18:28:38,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:28:38,304 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 458 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:38,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 472 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:28:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-20 18:28:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 463. [2024-11-20 18:28:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 352 states have (on average 1.3892045454545454) internal successors, (489), 435 states have internal predecessors, (489), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:28:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 541 transitions. [2024-11-20 18:28:38,314 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 541 transitions. Word has length 123 [2024-11-20 18:28:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:38,315 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 541 transitions. [2024-11-20 18:28:38,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-20 18:28:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 541 transitions. [2024-11-20 18:28:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 18:28:38,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:38,316 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:38,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:28:38,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:38,517 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:38,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash -158088981, now seen corresponding path program 1 times [2024-11-20 18:28:38,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:38,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62000417] [2024-11-20 18:28:38,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:38,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:38,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036403597] [2024-11-20 18:28:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:38,543 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) [2024-11-20 18:28:38,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:28:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:38,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:28:38,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:38,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:28:39,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:39,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62000417] [2024-11-20 18:28:39,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:39,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036403597] [2024-11-20 18:28:39,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036403597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:39,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:28:39,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:28:39,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505389250] [2024-11-20 18:28:39,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:39,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:28:39,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:39,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:28:39,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:28:39,156 INFO L87 Difference]: Start difference. First operand 463 states and 541 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:28:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:40,659 INFO L93 Difference]: Finished difference Result 508 states and 548 transitions. [2024-11-20 18:28:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:28:40,661 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 124 [2024-11-20 18:28:40,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:40,662 INFO L225 Difference]: With dead ends: 508 [2024-11-20 18:28:40,662 INFO L226 Difference]: Without dead ends: 414 [2024-11-20 18:28:40,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:28:40,666 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 734 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:40,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 440 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 18:28:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-20 18:28:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 410. [2024-11-20 18:28:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 304 states have (on average 1.325657894736842) internal successors, (403), 385 states have internal predecessors, (403), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 449 transitions. [2024-11-20 18:28:40,677 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 449 transitions. Word has length 124 [2024-11-20 18:28:40,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:40,678 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 449 transitions. [2024-11-20 18:28:40,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:28:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 449 transitions. [2024-11-20 18:28:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 18:28:40,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:40,679 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, 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] [2024-11-20 18:28:40,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:28:40,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-20 18:28:40,884 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:40,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash -243026300, now seen corresponding path program 1 times [2024-11-20 18:28:40,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:40,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010432272] [2024-11-20 18:28:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:28:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:28:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-20 18:28:40,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:40,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010432272] [2024-11-20 18:28:40,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010432272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:28:40,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:28:40,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:28:40,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716396917] [2024-11-20 18:28:40,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:28:40,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:28:40,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:28:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:40,969 INFO L87 Difference]: Start difference. First operand 410 states and 449 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-20 18:28:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:41,187 INFO L93 Difference]: Finished difference Result 410 states and 449 transitions. [2024-11-20 18:28:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:28:41,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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 166 [2024-11-20 18:28:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:41,189 INFO L225 Difference]: With dead ends: 410 [2024-11-20 18:28:41,189 INFO L226 Difference]: Without dead ends: 407 [2024-11-20 18:28:41,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:28:41,190 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 125 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:41,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:28:41,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-20 18:28:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-20 18:28:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.3125) internal successors, (399), 382 states have internal predecessors, (399), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 445 transitions. [2024-11-20 18:28:41,201 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 445 transitions. Word has length 166 [2024-11-20 18:28:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:41,202 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 445 transitions. [2024-11-20 18:28:41,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-20 18:28:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 445 transitions. [2024-11-20 18:28:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 18:28:41,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:41,203 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2024-11-20 18:28:41,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 18:28:41,203 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:41,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1665611949, now seen corresponding path program 1 times [2024-11-20 18:28:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577838763] [2024-11-20 18:28:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:41,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180809524] [2024-11-20 18:28:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:41,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:41,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:41,221 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) [2024-11-20 18:28:41,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:28:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:41,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:28:41,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:28:41,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:42,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:42,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577838763] [2024-11-20 18:28:42,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180809524] [2024-11-20 18:28:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180809524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:42,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:28:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327817146] [2024-11-20 18:28:42,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:42,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:42,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:42,244 INFO L87 Difference]: Start difference. First operand 407 states and 445 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-20 18:28:42,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:42,736 INFO L93 Difference]: Finished difference Result 408 states and 445 transitions. [2024-11-20 18:28:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:28:42,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 170 [2024-11-20 18:28:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:42,738 INFO L225 Difference]: With dead ends: 408 [2024-11-20 18:28:42,739 INFO L226 Difference]: Without dead ends: 407 [2024-11-20 18:28:42,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:28:42,739 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 34 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:42,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 439 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:28:42,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-20 18:28:42,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-20 18:28:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.3092105263157894) internal successors, (398), 382 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 444 transitions. [2024-11-20 18:28:42,751 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 444 transitions. Word has length 170 [2024-11-20 18:28:42,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:42,751 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 444 transitions. [2024-11-20 18:28:42,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-20 18:28:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 444 transitions. [2024-11-20 18:28:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-20 18:28:42,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:42,753 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2024-11-20 18:28:42,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:28:42,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-20 18:28:42,955 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:42,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash 94363053, now seen corresponding path program 1 times [2024-11-20 18:28:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:42,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115498198] [2024-11-20 18:28:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220428262] [2024-11-20 18:28:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:42,977 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) [2024-11-20 18:28:42,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:28:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:43,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:28:43,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:28:43,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:43,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:43,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115498198] [2024-11-20 18:28:43,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:43,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220428262] [2024-11-20 18:28:43,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220428262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:43,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:43,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:28:43,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344617800] [2024-11-20 18:28:43,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:43,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:28:43,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:43,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:28:43,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:28:43,482 INFO L87 Difference]: Start difference. First operand 407 states and 444 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 18:28:43,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:43,943 INFO L93 Difference]: Finished difference Result 418 states and 444 transitions. [2024-11-20 18:28:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:28:43,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 171 [2024-11-20 18:28:43,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:43,945 INFO L225 Difference]: With dead ends: 418 [2024-11-20 18:28:43,945 INFO L226 Difference]: Without dead ends: 417 [2024-11-20 18:28:43,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:28:43,945 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 69 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:43,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 526 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:28:43,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-20 18:28:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 407. [2024-11-20 18:28:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.305921052631579) internal successors, (397), 382 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 443 transitions. [2024-11-20 18:28:43,956 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 443 transitions. Word has length 171 [2024-11-20 18:28:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:43,956 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 443 transitions. [2024-11-20 18:28:43,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 18:28:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 443 transitions. [2024-11-20 18:28:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 18:28:43,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:43,957 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2024-11-20 18:28:43,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:44,161 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,SelfDestructingSolverStorable24 [2024-11-20 18:28:44,162 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:44,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2033680207, now seen corresponding path program 1 times [2024-11-20 18:28:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697910163] [2024-11-20 18:28:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:44,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817050088] [2024-11-20 18:28:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:44,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:44,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:44,183 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) [2024-11-20 18:28:44,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:28:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:44,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 18:28:44,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:28:45,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:28:46,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:46,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697910163] [2024-11-20 18:28:46,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:46,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817050088] [2024-11-20 18:28:46,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817050088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:46,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:28:46,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-20 18:28:46,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663185819] [2024-11-20 18:28:46,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:46,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:28:46,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:46,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:28:46,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:28:46,003 INFO L87 Difference]: Start difference. First operand 407 states and 443 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 18:28:48,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:48,000 INFO L93 Difference]: Finished difference Result 415 states and 443 transitions. [2024-11-20 18:28:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:28:48,001 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2024-11-20 18:28:48,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:48,002 INFO L225 Difference]: With dead ends: 415 [2024-11-20 18:28:48,002 INFO L226 Difference]: Without dead ends: 407 [2024-11-20 18:28:48,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:28:48,003 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 475 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:48,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 298 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 18:28:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-20 18:28:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-20 18:28:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.2796052631578947) internal successors, (389), 382 states have internal predecessors, (389), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 18:28:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 435 transitions. [2024-11-20 18:28:48,014 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 435 transitions. Word has length 174 [2024-11-20 18:28:48,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 435 transitions. [2024-11-20 18:28:48,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 18:28:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 435 transitions. [2024-11-20 18:28:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 18:28:48,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:48,016 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:28:48,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:28:48,220 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,SelfDestructingSolverStorable25 [2024-11-20 18:28:48,221 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:48,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:48,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1785882623, now seen corresponding path program 1 times [2024-11-20 18:28:48,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:48,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10402987] [2024-11-20 18:28:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:48,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860590595] [2024-11-20 18:28:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:48,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:48,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:48,244 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) [2024-11-20 18:28:48,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:28:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:48,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:28:48,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:28:48,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:28:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10402987] [2024-11-20 18:28:49,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860590595] [2024-11-20 18:28:49,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860590595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:49,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:28:49,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-20 18:28:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159101884] [2024-11-20 18:28:49,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:49,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:28:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:49,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:28:49,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:28:49,270 INFO L87 Difference]: Start difference. First operand 407 states and 435 transitions. Second operand has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-20 18:28:50,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:50,488 INFO L93 Difference]: Finished difference Result 481 states and 544 transitions. [2024-11-20 18:28:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:28:50,488 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 193 [2024-11-20 18:28:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:50,490 INFO L225 Difference]: With dead ends: 481 [2024-11-20 18:28:50,490 INFO L226 Difference]: Without dead ends: 441 [2024-11-20 18:28:50,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:28:50,491 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 220 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:50,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 256 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:28:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-20 18:28:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 439. [2024-11-20 18:28:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 332 states have (on average 1.3463855421686748) internal successors, (447), 410 states have internal predecessors, (447), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-20 18:28:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 501 transitions. [2024-11-20 18:28:50,504 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 501 transitions. Word has length 193 [2024-11-20 18:28:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:50,505 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 501 transitions. [2024-11-20 18:28:50,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-20 18:28:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 501 transitions. [2024-11-20 18:28:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-20 18:28:50,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:50,506 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:28:50,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:28:50,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:50,707 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash -893592658, now seen corresponding path program 1 times [2024-11-20 18:28:50,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:50,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031866983] [2024-11-20 18:28:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:50,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108306577] [2024-11-20 18:28:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:50,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:50,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:50,731 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) [2024-11-20 18:28:50,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:28:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:50,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:28:50,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:28:50,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:50,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:50,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031866983] [2024-11-20 18:28:50,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:50,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108306577] [2024-11-20 18:28:50,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108306577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:50,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:50,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:28:50,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618141757] [2024-11-20 18:28:50,986 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:50,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:28:50,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:50,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:28:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:28:50,987 INFO L87 Difference]: Start difference. First operand 439 states and 501 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 18:28:51,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:51,098 INFO L93 Difference]: Finished difference Result 577 states and 606 transitions. [2024-11-20 18:28:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:28:51,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2024-11-20 18:28:51,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:51,100 INFO L225 Difference]: With dead ends: 577 [2024-11-20 18:28:51,100 INFO L226 Difference]: Without dead ends: 576 [2024-11-20 18:28:51,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:28:51,100 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 188 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:51,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 848 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:28:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-20 18:28:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 439. [2024-11-20 18:28:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 410 states have internal predecessors, (446), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-20 18:28:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 500 transitions. [2024-11-20 18:28:51,113 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 500 transitions. Word has length 195 [2024-11-20 18:28:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:51,114 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 500 transitions. [2024-11-20 18:28:51,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 18:28:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 500 transitions. [2024-11-20 18:28:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 18:28:51,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:51,115 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:28:51,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:28:51,315 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,SelfDestructingSolverStorable27 [2024-11-20 18:28:51,315 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:51,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1011524977, now seen corresponding path program 2 times [2024-11-20 18:28:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:51,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213843182] [2024-11-20 18:28:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:28:51,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953410451] [2024-11-20 18:28:51,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:28:51,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:51,335 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) [2024-11-20 18:28:51,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:28:51,419 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:28:51,419 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:28:51,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:28:51,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:51,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:52,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:52,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213843182] [2024-11-20 18:28:52,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:28:52,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953410451] [2024-11-20 18:28:52,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953410451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:52,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:28:52,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:28:52,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964870617] [2024-11-20 18:28:52,295 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:52,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:28:52,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:52,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:28:52,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:28:52,296 INFO L87 Difference]: Start difference. First operand 439 states and 500 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-20 18:28:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:53,185 INFO L93 Difference]: Finished difference Result 532 states and 612 transitions. [2024-11-20 18:28:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:28:53,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 202 [2024-11-20 18:28:53,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:53,187 INFO L225 Difference]: With dead ends: 532 [2024-11-20 18:28:53,187 INFO L226 Difference]: Without dead ends: 511 [2024-11-20 18:28:53,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:28:53,188 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 121 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:53,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 495 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 18:28:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-20 18:28:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 499. [2024-11-20 18:28:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 389 states have (on average 1.3316195372750643) internal successors, (518), 467 states have internal predecessors, (518), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 18:28:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 578 transitions. [2024-11-20 18:28:53,203 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 578 transitions. Word has length 202 [2024-11-20 18:28:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:53,203 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 578 transitions. [2024-11-20 18:28:53,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-20 18:28:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 578 transitions. [2024-11-20 18:28:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 18:28:53,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:53,204 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:28:53,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:28:53,404 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,SelfDestructingSolverStorable28 [2024-11-20 18:28:53,405 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:53,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:53,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1292503122, now seen corresponding path program 2 times [2024-11-20 18:28:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:53,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917712448] [2024-11-20 18:28:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:28:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:28:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:28:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:28:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:28:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:53,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:53,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917712448] [2024-11-20 18:28:53,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917712448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:53,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480685309] [2024-11-20 18:28:53,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:28:53,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:53,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:53,580 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) [2024-11-20 18:28:53,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:28:53,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:28:53,635 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:28:53,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:28:53,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:53,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:54,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480685309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:54,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:28:54,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-20 18:28:54,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856444059] [2024-11-20 18:28:54,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:54,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:28:54,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:54,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:28:54,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:28:54,187 INFO L87 Difference]: Start difference. First operand 499 states and 578 transitions. Second operand has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-20 18:28:55,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:55,277 INFO L93 Difference]: Finished difference Result 499 states and 578 transitions. [2024-11-20 18:28:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:28:55,277 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2024-11-20 18:28:55,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:55,279 INFO L225 Difference]: With dead ends: 499 [2024-11-20 18:28:55,279 INFO L226 Difference]: Without dead ends: 495 [2024-11-20 18:28:55,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:28:55,282 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 620 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:55,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 524 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 18:28:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-20 18:28:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-20 18:28:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 389 states have (on average 1.3110539845758356) internal successors, (510), 463 states have internal predecessors, (510), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 18:28:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 570 transitions. [2024-11-20 18:28:55,299 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 570 transitions. Word has length 203 [2024-11-20 18:28:55,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:55,299 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 570 transitions. [2024-11-20 18:28:55,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-20 18:28:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 570 transitions. [2024-11-20 18:28:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 18:28:55,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:55,301 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:28:55,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-20 18:28:55,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:55,502 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:55,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:55,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1412891023, now seen corresponding path program 2 times [2024-11-20 18:28:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:55,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36694285] [2024-11-20 18:28:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:28:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:28:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:28:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:28:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:28:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:55,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:55,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36694285] [2024-11-20 18:28:55,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36694285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:55,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157637527] [2024-11-20 18:28:55,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:28:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:55,645 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) [2024-11-20 18:28:55,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:28:55,697 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:28:55,698 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:28:55,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:28:55,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:56,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:56,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157637527] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:28:56,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:28:56,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-20 18:28:56,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113680903] [2024-11-20 18:28:56,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:56,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:28:56,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:56,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:28:56,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:28:56,258 INFO L87 Difference]: Start difference. First operand 495 states and 570 transitions. Second operand has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-20 18:28:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:28:57,036 INFO L93 Difference]: Finished difference Result 553 states and 618 transitions. [2024-11-20 18:28:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:28:57,036 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 204 [2024-11-20 18:28:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:28:57,038 INFO L225 Difference]: With dead ends: 553 [2024-11-20 18:28:57,038 INFO L226 Difference]: Without dead ends: 551 [2024-11-20 18:28:57,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:28:57,039 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 390 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:28:57,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 668 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:28:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-20 18:28:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 523. [2024-11-20 18:28:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 414 states have (on average 1.2946859903381642) internal successors, (536), 488 states have internal predecessors, (536), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:28:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 602 transitions. [2024-11-20 18:28:57,055 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 602 transitions. Word has length 204 [2024-11-20 18:28:57,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:28:57,055 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 602 transitions. [2024-11-20 18:28:57,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-20 18:28:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 602 transitions. [2024-11-20 18:28:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 18:28:57,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:28:57,057 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, 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, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:28:57,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-20 18:28:57,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:57,257 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:28:57,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:28:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash -578604461, now seen corresponding path program 1 times [2024-11-20 18:28:57,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:28:57,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069419083] [2024-11-20 18:28:57,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:57,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:28:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:28:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:28:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:28:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:28:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:28:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:28:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:28:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:28:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:28:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:28:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:28:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:28:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:28:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:57,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:28:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069419083] [2024-11-20 18:28:57,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069419083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196865631] [2024-11-20 18:28:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:28:57,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:28:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:28:57,432 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) [2024-11-20 18:28:57,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:28:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:28:57,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:28:57,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:28:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:28:57,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:28:58,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196865631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:28:58,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:28:58,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-20 18:28:58,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980467253] [2024-11-20 18:28:58,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:28:58,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:28:58,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:28:58,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:28:58,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:28:58,432 INFO L87 Difference]: Start difference. First operand 523 states and 602 transitions. Second operand has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-20 18:29:00,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:00,578 INFO L93 Difference]: Finished difference Result 523 states and 602 transitions. [2024-11-20 18:29:00,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:29:00,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 206 [2024-11-20 18:29:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:00,583 INFO L225 Difference]: With dead ends: 523 [2024-11-20 18:29:00,584 INFO L226 Difference]: Without dead ends: 511 [2024-11-20 18:29:00,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:29:00,585 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 486 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:00,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 661 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-20 18:29:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-20 18:29:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-20 18:29:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 414 states have (on average 1.2584541062801933) internal successors, (521), 476 states have internal predecessors, (521), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:29:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 587 transitions. [2024-11-20 18:29:00,619 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 587 transitions. Word has length 206 [2024-11-20 18:29:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:00,619 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 587 transitions. [2024-11-20 18:29:00,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-20 18:29:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 587 transitions. [2024-11-20 18:29:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-20 18:29:00,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:00,620 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, 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, 1, 1, 1, 1, 1] [2024-11-20 18:29:00,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:00,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:00,824 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:00,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1501638444, now seen corresponding path program 1 times [2024-11-20 18:29:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:00,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813467112] [2024-11-20 18:29:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:00,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [156938238] [2024-11-20 18:29:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:00,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:00,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:00,884 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) [2024-11-20 18:29:00,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:29:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:00,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:29:00,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:29:01,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:29:01,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:01,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813467112] [2024-11-20 18:29:01,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:01,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156938238] [2024-11-20 18:29:01,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156938238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:29:01,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:29:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-20 18:29:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169318404] [2024-11-20 18:29:01,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:01,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:29:01,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:01,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:29:01,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:29:01,872 INFO L87 Difference]: Start difference. First operand 511 states and 587 transitions. Second operand has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-20 18:29:06,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:29:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:08,715 INFO L93 Difference]: Finished difference Result 815 states and 992 transitions. [2024-11-20 18:29:08,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 18:29:08,716 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 209 [2024-11-20 18:29:08,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:08,722 INFO L225 Difference]: With dead ends: 815 [2024-11-20 18:29:08,723 INFO L226 Difference]: Without dead ends: 730 [2024-11-20 18:29:08,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:29:08,724 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 1319 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 132 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:08,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 999 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2601 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-20 18:29:08,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-20 18:29:08,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 529. [2024-11-20 18:29:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 431 states have (on average 1.2320185614849188) internal successors, (531), 492 states have internal predecessors, (531), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 18:29:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 601 transitions. [2024-11-20 18:29:08,766 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 601 transitions. Word has length 209 [2024-11-20 18:29:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:08,766 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 601 transitions. [2024-11-20 18:29:08,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-20 18:29:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 601 transitions. [2024-11-20 18:29:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-20 18:29:08,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:08,767 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:08,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:08,971 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,SelfDestructingSolverStorable32 [2024-11-20 18:29:08,972 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:08,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:08,972 INFO L85 PathProgramCache]: Analyzing trace with hash -5271790, now seen corresponding path program 2 times [2024-11-20 18:29:08,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:08,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969847945] [2024-11-20 18:29:08,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:08,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416693154] [2024-11-20 18:29:08,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:29:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:09,002 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) [2024-11-20 18:29:09,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:29:09,070 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:29:09,070 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:29:09,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:29:09,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:09,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:14,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969847945] [2024-11-20 18:29:14,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416693154] [2024-11-20 18:29:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416693154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:14,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:29:14,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:29:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247528893] [2024-11-20 18:29:14,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:14,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:29:14,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:14,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:29:14,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:29:14,051 INFO L87 Difference]: Start difference. First operand 529 states and 601 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:29:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:14,967 INFO L93 Difference]: Finished difference Result 529 states and 601 transitions. [2024-11-20 18:29:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:29:14,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 251 [2024-11-20 18:29:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:14,970 INFO L225 Difference]: With dead ends: 529 [2024-11-20 18:29:14,970 INFO L226 Difference]: Without dead ends: 526 [2024-11-20 18:29:14,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:29:14,970 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 569 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:14,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 184 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:29:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-20 18:29:14,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-20 18:29:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 1.2180974477958237) internal successors, (525), 489 states have internal predecessors, (525), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 18:29:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 595 transitions. [2024-11-20 18:29:14,991 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 595 transitions. Word has length 251 [2024-11-20 18:29:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:14,991 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 595 transitions. [2024-11-20 18:29:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:29:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 595 transitions. [2024-11-20 18:29:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-20 18:29:14,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:14,994 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:15,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-20 18:29:15,197 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 [2024-11-20 18:29:15,198 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash -163425304, now seen corresponding path program 2 times [2024-11-20 18:29:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:15,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419307877] [2024-11-20 18:29:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:15,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [506396845] [2024-11-20 18:29:15,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:29:15,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:15,229 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) [2024-11-20 18:29:15,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:29:15,332 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:29:15,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:29:15,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:29:15,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:16,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:16,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:16,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419307877] [2024-11-20 18:29:16,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:16,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506396845] [2024-11-20 18:29:16,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506396845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:16,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:29:16,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:29:16,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177265074] [2024-11-20 18:29:16,606 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:16,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:29:16,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:29:16,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:29:16,608 INFO L87 Difference]: Start difference. First operand 526 states and 595 transitions. Second operand has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:29:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,483 INFO L93 Difference]: Finished difference Result 527 states and 595 transitions. [2024-11-20 18:29:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:29:17,483 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 252 [2024-11-20 18:29:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,485 INFO L225 Difference]: With dead ends: 527 [2024-11-20 18:29:17,485 INFO L226 Difference]: Without dead ends: 526 [2024-11-20 18:29:17,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:29:17,485 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 58 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 559 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:29:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-20 18:29:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-20 18:29:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 1.2157772621809744) internal successors, (524), 489 states have internal predecessors, (524), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 18:29:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 594 transitions. [2024-11-20 18:29:17,503 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 594 transitions. Word has length 252 [2024-11-20 18:29:17,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,504 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 594 transitions. [2024-11-20 18:29:17,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:29:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 594 transitions. [2024-11-20 18:29:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-20 18:29:17,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,505 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:17,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-20 18:29:17,705 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 [2024-11-20 18:29:17,706 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:17,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:17,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1889868950, now seen corresponding path program 2 times [2024-11-20 18:29:17,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:17,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255096189] [2024-11-20 18:29:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:17,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821370953] [2024-11-20 18:29:17,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:29:17,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:17,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:17,731 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) [2024-11-20 18:29:17,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:29:17,840 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:29:17,841 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:29:17,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:29:17,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:20,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:21,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:21,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255096189] [2024-11-20 18:29:21,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:21,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821370953] [2024-11-20 18:29:21,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821370953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:29:21,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:29:21,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-11-20 18:29:21,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813048612] [2024-11-20 18:29:21,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:21,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 18:29:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 18:29:21,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:29:21,131 INFO L87 Difference]: Start difference. First operand 526 states and 594 transitions. Second operand has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-20 18:29:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:29:32,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:32,652 INFO L93 Difference]: Finished difference Result 548 states and 610 transitions. [2024-11-20 18:29:32,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:29:32,652 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 255 [2024-11-20 18:29:32,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:32,654 INFO L225 Difference]: With dead ends: 548 [2024-11-20 18:29:32,654 INFO L226 Difference]: Without dead ends: 542 [2024-11-20 18:29:32,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2024-11-20 18:29:32,655 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 967 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 2352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:32,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 366 Invalid, 2352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-20 18:29:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-20 18:29:32,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 538. [2024-11-20 18:29:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 442 states have (on average 1.2013574660633484) internal successors, (531), 500 states have internal predecessors, (531), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:29:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 603 transitions. [2024-11-20 18:29:32,694 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 603 transitions. Word has length 255 [2024-11-20 18:29:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:32,694 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 603 transitions. [2024-11-20 18:29:32,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-20 18:29:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 603 transitions. [2024-11-20 18:29:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-20 18:29:32,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:32,697 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:29:32,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-20 18:29:32,901 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 [2024-11-20 18:29:32,902 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:32,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:32,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1042523888, now seen corresponding path program 1 times [2024-11-20 18:29:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:32,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933288499] [2024-11-20 18:29:32,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:32,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323729099] [2024-11-20 18:29:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:32,938 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) [2024-11-20 18:29:32,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-20 18:29:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:33,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:29:33,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:33,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-20 18:29:33,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:33,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933288499] [2024-11-20 18:29:33,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:33,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323729099] [2024-11-20 18:29:33,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323729099] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:29:33,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:29:33,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:29:33,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262036778] [2024-11-20 18:29:33,477 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:33,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:29:33,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:33,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:29:33,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:29:33,479 INFO L87 Difference]: Start difference. First operand 538 states and 603 transitions. Second operand has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-20 18:29:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:33,779 INFO L93 Difference]: Finished difference Result 675 states and 720 transitions. [2024-11-20 18:29:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:29:33,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 265 [2024-11-20 18:29:33,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:33,781 INFO L225 Difference]: With dead ends: 675 [2024-11-20 18:29:33,781 INFO L226 Difference]: Without dead ends: 673 [2024-11-20 18:29:33,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:29:33,782 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 1113 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:33,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 1573 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:29:33,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-20 18:29:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 537. [2024-11-20 18:29:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 442 states have (on average 1.1923076923076923) internal successors, (527), 499 states have internal predecessors, (527), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:29:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 599 transitions. [2024-11-20 18:29:33,821 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 599 transitions. Word has length 265 [2024-11-20 18:29:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:33,821 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 599 transitions. [2024-11-20 18:29:33,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-20 18:29:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 599 transitions. [2024-11-20 18:29:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-20 18:29:33,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:33,823 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:33,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:34,027 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 [2024-11-20 18:29:34,028 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:34,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash 690966565, now seen corresponding path program 1 times [2024-11-20 18:29:34,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:34,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270266535] [2024-11-20 18:29:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:34,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:29:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:29:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:29:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:29:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:29:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:29:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:29:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:29:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:29:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:29:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:29:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:29:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:29:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 18:29:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 18:29:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 18:29:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 18:29:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-20 18:29:34,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270266535] [2024-11-20 18:29:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270266535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738680445] [2024-11-20 18:29:34,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:34,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:34,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:34,252 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) [2024-11-20 18:29:34,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-20 18:29:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:34,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:29:34,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 53 proven. 114 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-20 18:29:34,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:35,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738680445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:35,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:29:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-20 18:29:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351921251] [2024-11-20 18:29:35,050 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:35,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:29:35,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:35,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:29:35,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:29:35,052 INFO L87 Difference]: Start difference. First operand 537 states and 599 transitions. Second operand has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-20 18:29:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:37,039 INFO L93 Difference]: Finished difference Result 537 states and 599 transitions. [2024-11-20 18:29:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:29:37,040 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 275 [2024-11-20 18:29:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:37,042 INFO L225 Difference]: With dead ends: 537 [2024-11-20 18:29:37,042 INFO L226 Difference]: Without dead ends: 535 [2024-11-20 18:29:37,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-20 18:29:37,042 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 643 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:37,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 399 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 18:29:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-20 18:29:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2024-11-20 18:29:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 442 states have (on average 1.1855203619909502) internal successors, (524), 497 states have internal predecessors, (524), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:29:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 596 transitions. [2024-11-20 18:29:37,102 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 596 transitions. Word has length 275 [2024-11-20 18:29:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:37,103 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 596 transitions. [2024-11-20 18:29:37,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-20 18:29:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 596 transitions. [2024-11-20 18:29:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 18:29:37,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:37,104 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:37,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:37,307 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 [2024-11-20 18:29:37,308 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:37,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:37,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1193088322, now seen corresponding path program 1 times [2024-11-20 18:29:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:37,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825521120] [2024-11-20 18:29:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:29:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:29:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:29:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:29:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:29:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:29:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:29:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:29:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:29:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:29:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:29:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:29:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:29:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 18:29:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 18:29:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 18:29:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 18:29:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-20 18:29:37,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:37,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825521120] [2024-11-20 18:29:37,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825521120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:37,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:29:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269698116] [2024-11-20 18:29:37,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:29:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:37,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:29:37,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:29:37,441 INFO L87 Difference]: Start difference. First operand 535 states and 596 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-20 18:29:37,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:37,910 INFO L93 Difference]: Finished difference Result 535 states and 596 transitions. [2024-11-20 18:29:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:29:37,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 278 [2024-11-20 18:29:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:37,912 INFO L225 Difference]: With dead ends: 535 [2024-11-20 18:29:37,912 INFO L226 Difference]: Without dead ends: 533 [2024-11-20 18:29:37,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:29:37,912 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 185 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:37,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 387 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:29:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-20 18:29:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2024-11-20 18:29:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 442 states have (on average 1.1764705882352942) internal successors, (520), 495 states have internal predecessors, (520), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 18:29:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 592 transitions. [2024-11-20 18:29:37,935 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 592 transitions. Word has length 278 [2024-11-20 18:29:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:37,936 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 592 transitions. [2024-11-20 18:29:37,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-20 18:29:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 592 transitions. [2024-11-20 18:29:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-20 18:29:37,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:37,937 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:37,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-20 18:29:37,937 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:37,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1668967913, now seen corresponding path program 1 times [2024-11-20 18:29:37,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:37,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760692571] [2024-11-20 18:29:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 18:29:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 18:29:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:29:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 18:29:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 18:29:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:29:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:29:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 18:29:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 18:29:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:29:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 18:29:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 18:29:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 18:29:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 18:29:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 18:29:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 18:29:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 18:29:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-20 18:29:38,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:38,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760692571] [2024-11-20 18:29:38,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760692571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:38,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598442153] [2024-11-20 18:29:38,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:38,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:38,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:38,154 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) [2024-11-20 18:29:38,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-20 18:29:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:38,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:29:38,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-20 18:29:38,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:43,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598442153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:43,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:29:43,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-20 18:29:43,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520564736] [2024-11-20 18:29:43,973 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:43,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:29:43,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:43,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:29:43,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:29:43,974 INFO L87 Difference]: Start difference. First operand 533 states and 592 transitions. Second operand has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-20 18:29:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:46,240 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2024-11-20 18:29:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:29:46,240 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 279 [2024-11-20 18:29:46,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:46,242 INFO L225 Difference]: With dead ends: 533 [2024-11-20 18:29:46,242 INFO L226 Difference]: Without dead ends: 497 [2024-11-20 18:29:46,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2024-11-20 18:29:46,243 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 873 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:46,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 423 Invalid, 2466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 18:29:46,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-20 18:29:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2024-11-20 18:29:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 410 states have (on average 1.1804878048780487) internal successors, (484), 461 states have internal predecessors, (484), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:29:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 552 transitions. [2024-11-20 18:29:46,265 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 552 transitions. Word has length 279 [2024-11-20 18:29:46,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:46,266 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 552 transitions. [2024-11-20 18:29:46,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-20 18:29:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 552 transitions. [2024-11-20 18:29:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-20 18:29:46,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:46,267 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:29:46,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:46,467 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,SelfDestructingSolverStorable39 [2024-11-20 18:29:46,468 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-20 18:29:46,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:46,468 INFO L85 PathProgramCache]: Analyzing trace with hash -547169036, now seen corresponding path program 3 times [2024-11-20 18:29:46,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:46,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765237068] [2024-11-20 18:29:46,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:46,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:46,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731223925] [2024-11-20 18:29:46,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:29:46,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:46,498 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) [2024-11-20 18:29:46,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-20 18:29:46,572 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-20 18:29:46,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:29:46,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-20 18:29:46,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 146 proven. 97 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-20 18:29:52,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:58,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:58,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765237068] [2024-11-20 18:29:58,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:58,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731223925] [2024-11-20 18:29:58,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731223925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:58,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:29:58,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-20 18:29:58,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299857668] [2024-11-20 18:29:58,175 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:58,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:29:58,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:58,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:29:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=444, Unknown=2, NotChecked=0, Total=552 [2024-11-20 18:29:58,176 INFO L87 Difference]: Start difference. First operand 497 states and 552 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9)