./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:58:21,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:58:21,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:58:21,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:58:21,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:58:21,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:58:21,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:58:21,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:58:21,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:58:21,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:58:21,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:58:21,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:58:21,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:58:21,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:58:21,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:58:21,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:58:21,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:58:21,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:58:21,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:58:21,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:58:21,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:58:21,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:58:21,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:58:21,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:58:21,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:58:21,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:58:21,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:58:21,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:58:21,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:58:21,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:58:21,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:58:21,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:58:21,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:58:21,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:58:21,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:58:21,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:58:21,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:58:21,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:58:21,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:58:21,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-11-09 11:58:21,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:58:21,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:58:21,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:58:21,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:58:21,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:58:21,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-09 11:58:22,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:58:22,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:58:22,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-09 11:58:22,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece7fccfa/5542d174a3454bd69c77de71d06e1495/FLAGbd383d7a7 [2024-11-09 11:58:23,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece7fccfa/5542d174a3454bd69c77de71d06e1495 [2024-11-09 11:58:23,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:58:23,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:58:23,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:58:23,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:58:23,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:58:23,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28077d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23, skipping insertion in model container [2024-11-09 11:58:23,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:58:23,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:58:23,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:58:23,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:58:23,444 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:58:23,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23 WrapperNode [2024-11-09 11:58:23,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:58:23,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:58:23,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:58:23,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:58:23,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,471 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-09 11:58:23,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:58:23,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:58:23,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:58:23,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:58:23,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,492 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-09 11:58:23,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:58:23,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:58:23,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:58:23,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:58:23,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (1/1) ... [2024-11-09 11:58:23,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:58:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:23,531 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) [2024-11-09 11:58:23,535 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 [2024-11-09 11:58:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:58:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:58:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:58:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:58:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:58:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:58:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:58:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:58:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:58:23,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:58:23,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:58:23,764 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 11:58:23,765 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:58:23,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:58:23,776 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:58:23,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:58:23 BoogieIcfgContainer [2024-11-09 11:58:23,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:58:23,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:58:23,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:58:23,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:58:23,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:58:23" (1/3) ... [2024-11-09 11:58:23,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622d6e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:58:23, skipping insertion in model container [2024-11-09 11:58:23,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:58:23" (2/3) ... [2024-11-09 11:58:23,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622d6e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:58:23, skipping insertion in model container [2024-11-09 11:58:23,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:58:23" (3/3) ... [2024-11-09 11:58:23,783 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound100.c [2024-11-09 11:58:23,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:58:23,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:58:23,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:58:23,842 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;@3528b82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:58:23,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:58:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:58:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:58:23,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:23,855 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:23,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:23,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-09 11:58:23,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:23,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39204647] [2024-11-09 11:58:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:23,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:24,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39204647] [2024-11-09 11:58:24,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39204647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:24,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:24,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:58:24,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580540792] [2024-11-09 11:58:24,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:24,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:58:24,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:24,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:58:24,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:58:24,068 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:58:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:24,085 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-09 11:58:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:58:24,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-09 11:58:24,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:24,091 INFO L225 Difference]: With dead ends: 90 [2024-11-09 11:58:24,091 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 11:58:24,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:58:24,095 INFO L432 NwaCegarLoop]: 58 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, 58 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 [2024-11-09 11:58:24,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:58:24,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 11:58:24,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-09 11:58:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:58:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-09 11:58:24,122 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-09 11:58:24,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:24,123 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-09 11:58:24,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:58:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-09 11:58:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:58:24,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:24,124 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:24,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:58:24,124 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:24,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-09 11:58:24,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:24,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69558609] [2024-11-09 11:58:24,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:24,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:24,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:24,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69558609] [2024-11-09 11:58:24,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69558609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:24,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:24,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:58:24,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571143000] [2024-11-09 11:58:24,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:24,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:58:24,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:24,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:58:24,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:24,353 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:58:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:24,409 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-09 11:58:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:58:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-09 11:58:24,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:24,411 INFO L225 Difference]: With dead ends: 45 [2024-11-09 11:58:24,411 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 11:58:24,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:58:24,412 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:24,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:58:24,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 11:58:24,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-09 11:58:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:58:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-09 11:58:24,419 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-09 11:58:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:24,420 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-09 11:58:24,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:58:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-09 11:58:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:58:24,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:24,421 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:24,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:58:24,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:24,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:24,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-09 11:58:24,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:24,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996077614] [2024-11-09 11:58:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:24,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:24,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:24,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996077614] [2024-11-09 11:58:24,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996077614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:24,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:24,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:58:24,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048278305] [2024-11-09 11:58:24,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:24,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:58:24,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:24,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:58:24,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:58:24,569 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:58:24,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:24,713 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-09 11:58:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:58:24,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-09 11:58:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:24,715 INFO L225 Difference]: With dead ends: 62 [2024-11-09 11:58:24,716 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:58:24,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:58:24,718 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:24,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 166 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:58:24,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-09 11:58:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:58:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-09 11:58:24,730 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-09 11:58:24,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:24,731 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-09 11:58:24,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:58:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-09 11:58:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:58:24,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:24,732 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:24,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:58:24,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:24,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:24,734 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-09 11:58:24,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:24,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605304635] [2024-11-09 11:58:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:24,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:24,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605304635] [2024-11-09 11:58:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605304635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:24,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:58:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006988592] [2024-11-09 11:58:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:24,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:58:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:24,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:58:24,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:58:24,869 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:58:24,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:24,955 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-09 11:58:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:58:24,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-09 11:58:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:24,957 INFO L225 Difference]: With dead ends: 91 [2024-11-09 11:58:24,957 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 11:58:24,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:58:24,962 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:24,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 187 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 11:58:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-09 11:58:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:58:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-09 11:58:24,968 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-09 11:58:24,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:24,969 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-09 11:58:24,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:58:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-09 11:58:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:58:24,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:24,970 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:24,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:58:24,970 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:24,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:24,971 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-09 11:58:24,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:24,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261068070] [2024-11-09 11:58:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:58:25,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:25,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261068070] [2024-11-09 11:58:25,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261068070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:25,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:25,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 11:58:25,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236041421] [2024-11-09 11:58:25,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:25,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:58:25,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:25,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:58:25,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:58:25,089 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:58:25,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:25,212 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-09 11:58:25,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:58:25,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-09 11:58:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:25,213 INFO L225 Difference]: With dead ends: 81 [2024-11-09 11:58:25,213 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 11:58:25,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:58:25,214 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 54 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:25,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:25,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 11:58:25,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-09 11:58:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:58:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-09 11:58:25,220 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-09 11:58:25,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:25,221 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-09 11:58:25,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:58:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-09 11:58:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:58:25,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:25,222 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:25,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:58:25,222 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:25,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:25,222 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-09 11:58:25,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:25,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576171671] [2024-11-09 11:58:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:58:25,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:25,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576171671] [2024-11-09 11:58:25,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576171671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:25,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:25,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 11:58:25,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794548936] [2024-11-09 11:58:25,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:25,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:58:25,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:25,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:58:25,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:58:25,350 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:58:25,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:25,463 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-09 11:58:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:58:25,465 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-09 11:58:25,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:25,466 INFO L225 Difference]: With dead ends: 115 [2024-11-09 11:58:25,466 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 11:58:25,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:58:25,467 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:25,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:25,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 11:58:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-09 11:58:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:58:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-09 11:58:25,482 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-09 11:58:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:25,482 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-09 11:58:25,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:58:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-09 11:58:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:58:25,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:25,484 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:58:25,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:58:25,484 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:25,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-09 11:58:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045150413] [2024-11-09 11:58:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:58:25,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:25,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045150413] [2024-11-09 11:58:25,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045150413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:25,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533658781] [2024-11-09 11:58:25,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:25,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:25,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:25,627 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) [2024-11-09 11:58:25,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:58:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:25,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:58:25,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:25,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:58:25,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533658781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:25,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:25,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-09 11:58:25,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14757942] [2024-11-09 11:58:25,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:25,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:58:25,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:25,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:58:25,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:58:25,930 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 11:58:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:26,240 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-09 11:58:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:58:26,241 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-09 11:58:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:26,242 INFO L225 Difference]: With dead ends: 233 [2024-11-09 11:58:26,242 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 11:58:26,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:58:26,243 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 106 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:26,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 258 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:58:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 11:58:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-09 11:58:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 11:58:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-09 11:58:26,254 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-09 11:58:26,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:26,254 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-09 11:58:26,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 11:58:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-09 11:58:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:58:26,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:26,256 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:26,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:58:26,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:26,457 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-09 11:58:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504554041] [2024-11-09 11:58:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:58:26,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:26,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504554041] [2024-11-09 11:58:26,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504554041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:26,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:26,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:58:26,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449481527] [2024-11-09 11:58:26,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:26,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:58:26,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:26,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:58:26,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:26,537 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:58:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:26,598 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-09 11:58:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:58:26,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-09 11:58:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:26,600 INFO L225 Difference]: With dead ends: 270 [2024-11-09 11:58:26,600 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 11:58:26,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:26,601 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:26,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:58:26,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 11:58:26,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-09 11:58:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:58:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-09 11:58:26,613 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-09 11:58:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:26,614 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-09 11:58:26,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:58:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-09 11:58:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:58:26,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:26,615 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:26,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:58:26,615 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:26,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-09 11:58:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:26,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265292222] [2024-11-09 11:58:26,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:58:26,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265292222] [2024-11-09 11:58:26,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265292222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095388122] [2024-11-09 11:58:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:26,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:26,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:26,734 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) [2024-11-09 11:58:26,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:58:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:26,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:58:26,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:26,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:58:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095388122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:27,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:27,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-09 11:58:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964624798] [2024-11-09 11:58:27,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:27,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:58:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:27,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:58:27,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:58:27,026 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-09 11:58:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:27,628 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-09 11:58:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-09 11:58:27,629 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-09 11:58:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:27,631 INFO L225 Difference]: With dead ends: 379 [2024-11-09 11:58:27,631 INFO L226 Difference]: Without dead ends: 296 [2024-11-09 11:58:27,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 11:58:27,636 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 161 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:27,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 318 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:58:27,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-09 11:58:27,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-09 11:58:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:58:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-09 11:58:27,661 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-09 11:58:27,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:27,662 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-09 11:58:27,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-09 11:58:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-09 11:58:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:58:27,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:27,665 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:58:27,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:27,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 11:58:27,867 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:27,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:27,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-09 11:58:27,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:27,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765792243] [2024-11-09 11:58:27,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:27,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:58:28,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:28,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765792243] [2024-11-09 11:58:28,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765792243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:28,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266250425] [2024-11-09 11:58:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:28,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:28,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:28,004 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) [2024-11-09 11:58:28,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:58:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:58:28,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:28,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:58:28,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266250425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:28,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:28,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-09 11:58:28,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129807156] [2024-11-09 11:58:28,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:28,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:58:28,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:28,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:58:28,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:58:28,243 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-09 11:58:28,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:28,570 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2024-11-09 11:58:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 11:58:28,570 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2024-11-09 11:58:28,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:28,572 INFO L225 Difference]: With dead ends: 471 [2024-11-09 11:58:28,572 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 11:58:28,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:58:28,573 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 133 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:28,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 317 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:58:28,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 11:58:28,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2024-11-09 11:58:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:58:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2024-11-09 11:58:28,597 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2024-11-09 11:58:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:28,598 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2024-11-09 11:58:28,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-09 11:58:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2024-11-09 11:58:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:58:28,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:28,599 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-09 11:58:28,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:58:28,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:28,800 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:28,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:28,801 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-09 11:58:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:28,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602215770] [2024-11-09 11:58:28,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:58:28,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602215770] [2024-11-09 11:58:28,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602215770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962448670] [2024-11-09 11:58:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:28,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:28,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:28,955 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) [2024-11-09 11:58:28,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:58:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:28,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:58:28,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:29,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:58:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962448670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:29,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-09 11:58:29,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654168119] [2024-11-09 11:58:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:29,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:58:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:58:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:58:29,128 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:58:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:29,323 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2024-11-09 11:58:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:58:29,324 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-09 11:58:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:29,326 INFO L225 Difference]: With dead ends: 391 [2024-11-09 11:58:29,326 INFO L226 Difference]: Without dead ends: 388 [2024-11-09 11:58:29,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:58:29,327 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 61 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:29,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 202 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-09 11:58:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2024-11-09 11:58:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:58:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2024-11-09 11:58:29,346 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2024-11-09 11:58:29,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:29,346 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2024-11-09 11:58:29,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:58:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2024-11-09 11:58:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 11:58:29,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:29,348 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:29,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:58:29,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:29,549 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:29,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-09 11:58:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:29,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294533648] [2024-11-09 11:58:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:58:29,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:29,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294533648] [2024-11-09 11:58:29,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294533648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:29,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352729618] [2024-11-09 11:58:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:29,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:29,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:29,736 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) [2024-11-09 11:58:29,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:58:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:29,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:58:29,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:29,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:58:30,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352729618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:30,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:30,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-09 11:58:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345188294] [2024-11-09 11:58:30,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:30,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-09 11:58:30,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:30,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-09 11:58:30,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:58:30,106 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-09 11:58:30,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:30,625 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2024-11-09 11:58:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-09 11:58:30,626 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-09 11:58:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:30,629 INFO L225 Difference]: With dead ends: 332 [2024-11-09 11:58:30,629 INFO L226 Difference]: Without dead ends: 331 [2024-11-09 11:58:30,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 11:58:30,631 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 215 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:30,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 305 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:58:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-09 11:58:30,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2024-11-09 11:58:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 11:58:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2024-11-09 11:58:30,664 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2024-11-09 11:58:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:30,665 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2024-11-09 11:58:30,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-09 11:58:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2024-11-09 11:58:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:58:30,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:30,666 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:30,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:30,866 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,SelfDestructingSolverStorable11 [2024-11-09 11:58:30,866 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:30,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:30,867 INFO L85 PathProgramCache]: Analyzing trace with hash 538003313, now seen corresponding path program 1 times [2024-11-09 11:58:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:30,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831623401] [2024-11-09 11:58:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:30,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:58:31,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831623401] [2024-11-09 11:58:31,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831623401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210603495] [2024-11-09 11:58:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:31,059 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) [2024-11-09 11:58:31,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:58:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:31,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:58:31,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:31,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:58:31,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210603495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:31,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:31,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-09 11:58:31,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213458084] [2024-11-09 11:58:31,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:31,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-09 11:58:31,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:31,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-09 11:58:31,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:58:31,398 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-09 11:58:31,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:31,967 INFO L93 Difference]: Finished difference Result 542 states and 628 transitions. [2024-11-09 11:58:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 11:58:31,967 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 80 [2024-11-09 11:58:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:31,969 INFO L225 Difference]: With dead ends: 542 [2024-11-09 11:58:31,970 INFO L226 Difference]: Without dead ends: 383 [2024-11-09 11:58:31,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 11:58:31,971 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 173 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:31,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 341 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:58:31,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-09 11:58:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2024-11-09 11:58:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 289 states have (on average 1.1522491349480968) internal successors, (333), 292 states have internal predecessors, (333), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:58:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 407 transitions. [2024-11-09 11:58:32,001 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 407 transitions. Word has length 80 [2024-11-09 11:58:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:32,001 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 407 transitions. [2024-11-09 11:58:32,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-09 11:58:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 407 transitions. [2024-11-09 11:58:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:58:32,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:32,004 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:32,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:32,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:32,205 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:32,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:32,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1210229917, now seen corresponding path program 1 times [2024-11-09 11:58:32,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:32,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978388620] [2024-11-09 11:58:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:32,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:58:32,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:32,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978388620] [2024-11-09 11:58:32,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978388620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:32,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820551047] [2024-11-09 11:58:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:32,413 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) [2024-11-09 11:58:32,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:58:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:32,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:58:32,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:32,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:58:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820551047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:32,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:32,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-09 11:58:32,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550367612] [2024-11-09 11:58:32,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:32,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-09 11:58:32,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:32,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-09 11:58:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 11:58:32,910 INFO L87 Difference]: Start difference. First operand 360 states and 407 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-09 11:58:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:34,374 INFO L93 Difference]: Finished difference Result 776 states and 906 transitions. [2024-11-09 11:58:34,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-09 11:58:34,375 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-09 11:58:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:34,377 INFO L225 Difference]: With dead ends: 776 [2024-11-09 11:58:34,377 INFO L226 Difference]: Without dead ends: 617 [2024-11-09 11:58:34,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 11:58:34,380 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 377 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:34,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 357 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:58:34,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-09 11:58:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 556. [2024-11-09 11:58:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 445 states have (on average 1.1752808988764045) internal successors, (523), 448 states have internal predecessors, (523), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 11:58:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2024-11-09 11:58:34,403 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 86 [2024-11-09 11:58:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:34,403 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2024-11-09 11:58:34,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-09 11:58:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2024-11-09 11:58:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:58:34,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:34,404 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:34,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:58:34,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:34,609 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:34,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:34,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1194963981, now seen corresponding path program 1 times [2024-11-09 11:58:34,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:34,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067110645] [2024-11-09 11:58:34,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:58:34,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:34,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067110645] [2024-11-09 11:58:34,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067110645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807506797] [2024-11-09 11:58:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:34,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:34,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:34,828 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) [2024-11-09 11:58:34,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:58:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:34,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:58:34,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:35,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:58:35,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807506797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:35,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:35,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-09 11:58:35,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945294647] [2024-11-09 11:58:35,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:35,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-09 11:58:35,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:35,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-09 11:58:35,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 11:58:35,369 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-09 11:58:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:36,602 INFO L93 Difference]: Finished difference Result 716 states and 822 transitions. [2024-11-09 11:58:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-09 11:58:36,603 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-09 11:58:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:36,605 INFO L225 Difference]: With dead ends: 716 [2024-11-09 11:58:36,605 INFO L226 Difference]: Without dead ends: 713 [2024-11-09 11:58:36,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-09 11:58:36,610 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 345 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:36,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 512 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:58:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-09 11:58:36,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2024-11-09 11:58:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1814432989690722) internal successors, (573), 488 states have internal predecessors, (573), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:58:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 699 transitions. [2024-11-09 11:58:36,639 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 699 transitions. Word has length 86 [2024-11-09 11:58:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:36,639 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 699 transitions. [2024-11-09 11:58:36,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-09 11:58:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 699 transitions. [2024-11-09 11:58:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:58:36,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:36,643 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-09 11:58:36,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:58:36,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:58:36,847 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:36,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 13994911, now seen corresponding path program 1 times [2024-11-09 11:58:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:36,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881595456] [2024-11-09 11:58:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:58:37,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:37,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881595456] [2024-11-09 11:58:37,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881595456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:37,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046549984] [2024-11-09 11:58:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:37,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:37,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:37,117 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) [2024-11-09 11:58:37,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:58:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:37,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:58:37,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:37,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:58:37,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046549984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:37,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:37,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-09 11:58:37,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387923484] [2024-11-09 11:58:37,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:37,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 11:58:37,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:37,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 11:58:37,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 11:58:37,530 INFO L87 Difference]: Start difference. First operand 608 states and 699 transitions. Second operand has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-09 11:58:38,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:38,254 INFO L93 Difference]: Finished difference Result 1131 states and 1314 transitions. [2024-11-09 11:58:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 11:58:38,254 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 100 [2024-11-09 11:58:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:38,258 INFO L225 Difference]: With dead ends: 1131 [2024-11-09 11:58:38,259 INFO L226 Difference]: Without dead ends: 842 [2024-11-09 11:58:38,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 11:58:38,261 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 199 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:38,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 486 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:58:38,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-09 11:58:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 758. [2024-11-09 11:58:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 605 states have (on average 1.1586776859504133) internal successors, (701), 608 states have internal predecessors, (701), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 11:58:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 857 transitions. [2024-11-09 11:58:38,294 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 857 transitions. Word has length 100 [2024-11-09 11:58:38,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:38,295 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 857 transitions. [2024-11-09 11:58:38,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-09 11:58:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 857 transitions. [2024-11-09 11:58:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:58:38,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:38,297 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:38,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:58:38,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:58:38,497 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:38,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:38,498 INFO L85 PathProgramCache]: Analyzing trace with hash 516926133, now seen corresponding path program 1 times [2024-11-09 11:58:38,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345314241] [2024-11-09 11:58:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 11:58:38,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:38,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345314241] [2024-11-09 11:58:38,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345314241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:38,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489121957] [2024-11-09 11:58:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:38,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:38,800 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) [2024-11-09 11:58:38,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:58:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:38,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:58:38,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:39,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 11:58:39,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489121957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:39,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:39,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-09 11:58:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331343080] [2024-11-09 11:58:39,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:39,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-09 11:58:39,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:39,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-09 11:58:39,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 11:58:39,481 INFO L87 Difference]: Start difference. First operand 758 states and 857 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-09 11:58:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:41,164 INFO L93 Difference]: Finished difference Result 927 states and 1052 transitions. [2024-11-09 11:58:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-09 11:58:41,164 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2024-11-09 11:58:41,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:41,168 INFO L225 Difference]: With dead ends: 927 [2024-11-09 11:58:41,168 INFO L226 Difference]: Without dead ends: 925 [2024-11-09 11:58:41,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-11-09 11:58:41,172 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 561 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:41,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 381 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:58:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-09 11:58:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 624. [2024-11-09 11:58:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.1609657947686116) internal successors, (577), 501 states have internal predecessors, (577), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:58:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 707 transitions. [2024-11-09 11:58:41,202 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 707 transitions. Word has length 106 [2024-11-09 11:58:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:41,202 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 707 transitions. [2024-11-09 11:58:41,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-09 11:58:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 707 transitions. [2024-11-09 11:58:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 11:58:41,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:41,206 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:41,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:58:41,409 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,SelfDestructingSolverStorable16 [2024-11-09 11:58:41,410 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:41,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash 47715737, now seen corresponding path program 2 times [2024-11-09 11:58:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747389641] [2024-11-09 11:58:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 11:58:41,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:41,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747389641] [2024-11-09 11:58:41,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747389641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:41,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224527098] [2024-11-09 11:58:41,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:58:41,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:41,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:41,915 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) [2024-11-09 11:58:41,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:58:42,003 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:58:42,003 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:42,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:58:42,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:42,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 11:58:42,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224527098] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:42,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 56 [2024-11-09 11:58:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782377666] [2024-11-09 11:58:42,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:42,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-09 11:58:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:42,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-09 11:58:42,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 11:58:42,600 INFO L87 Difference]: Start difference. First operand 624 states and 707 transitions. Second operand has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 11:58:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:44,228 INFO L93 Difference]: Finished difference Result 1494 states and 1730 transitions. [2024-11-09 11:58:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-09 11:58:44,229 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 146 [2024-11-09 11:58:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:44,235 INFO L225 Difference]: With dead ends: 1494 [2024-11-09 11:58:44,236 INFO L226 Difference]: Without dead ends: 1229 [2024-11-09 11:58:44,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4276 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-11-09 11:58:44,239 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 522 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:44,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 454 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:58:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-09 11:58:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 977. [2024-11-09 11:58:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 780 states have (on average 1.176923076923077) internal successors, (918), 784 states have internal predecessors, (918), 100 states have call successors, (100), 94 states have call predecessors, (100), 94 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 11:58:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2024-11-09 11:58:44,283 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 146 [2024-11-09 11:58:44,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:44,283 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2024-11-09 11:58:44,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 11:58:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2024-11-09 11:58:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 11:58:44,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:44,287 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 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] [2024-11-09 11:58:44,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:58:44,488 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,SelfDestructingSolverStorable17 [2024-11-09 11:58:44,488 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:44,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 832342144, now seen corresponding path program 2 times [2024-11-09 11:58:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:44,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268882219] [2024-11-09 11:58:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 11:58:44,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:44,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268882219] [2024-11-09 11:58:44,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268882219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:44,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684386706] [2024-11-09 11:58:44,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:58:44,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:44,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:44,955 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) [2024-11-09 11:58:44,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:58:45,015 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:58:45,016 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:45,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:58:45,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 538 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:45,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-09 11:58:45,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684386706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:45,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:45,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2024-11-09 11:58:45,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361594963] [2024-11-09 11:58:45,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:45,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-09 11:58:45,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:45,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-09 11:58:45,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=2503, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 11:58:45,704 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 11:58:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:47,339 INFO L93 Difference]: Finished difference Result 1869 states and 2170 transitions. [2024-11-09 11:58:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-09 11:58:47,339 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 150 [2024-11-09 11:58:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:47,345 INFO L225 Difference]: With dead ends: 1869 [2024-11-09 11:58:47,345 INFO L226 Difference]: Without dead ends: 1511 [2024-11-09 11:58:47,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4418 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3434, Invalid=12822, Unknown=0, NotChecked=0, Total=16256 [2024-11-09 11:58:47,348 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 436 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:47,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 655 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:58:47,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-09 11:58:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1391. [2024-11-09 11:58:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1116 states have (on average 1.1505376344086022) internal successors, (1284), 1120 states have internal predecessors, (1284), 139 states have call successors, (139), 133 states have call predecessors, (139), 133 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-09 11:58:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1562 transitions. [2024-11-09 11:58:47,406 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1562 transitions. Word has length 150 [2024-11-09 11:58:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:47,406 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 1562 transitions. [2024-11-09 11:58:47,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 11:58:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1562 transitions. [2024-11-09 11:58:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 11:58:47,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:47,409 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:47,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:58:47,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:47,613 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:47,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash -941906583, now seen corresponding path program 1 times [2024-11-09 11:58:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027452034] [2024-11-09 11:58:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:47,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-09 11:58:48,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027452034] [2024-11-09 11:58:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027452034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965065189] [2024-11-09 11:58:48,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:48,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:48,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:48,101 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) [2024-11-09 11:58:48,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:58:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:48,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 11:58:48,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 492 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:48,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-09 11:58:48,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965065189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:48,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:48,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 30] total 61 [2024-11-09 11:58:48,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071730001] [2024-11-09 11:58:48,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:48,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 11:58:48,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 11:58:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 11:58:48,884 INFO L87 Difference]: Start difference. First operand 1391 states and 1562 transitions. Second operand has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-11-09 11:58:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:50,681 INFO L93 Difference]: Finished difference Result 3155 states and 3576 transitions. [2024-11-09 11:58:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-11-09 11:58:50,683 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) Word has length 160 [2024-11-09 11:58:50,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:50,693 INFO L225 Difference]: With dead ends: 3155 [2024-11-09 11:58:50,693 INFO L226 Difference]: Without dead ends: 2847 [2024-11-09 11:58:50,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4939 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3268, Invalid=14024, Unknown=0, NotChecked=0, Total=17292 [2024-11-09 11:58:50,698 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 449 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:50,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 704 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:58:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-09 11:58:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2181. [2024-11-09 11:58:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1748 states have (on average 1.1367276887871853) internal successors, (1987), 1752 states have internal predecessors, (1987), 218 states have call successors, (218), 212 states have call predecessors, (218), 212 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-09 11:58:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2423 transitions. [2024-11-09 11:58:50,809 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2423 transitions. Word has length 160 [2024-11-09 11:58:50,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:50,810 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 2423 transitions. [2024-11-09 11:58:50,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-11-09 11:58:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2423 transitions. [2024-11-09 11:58:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 11:58:50,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:50,813 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:50,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:58:51,017 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,SelfDestructingSolverStorable19 [2024-11-09 11:58:51,018 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:51,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash -768229977, now seen corresponding path program 3 times [2024-11-09 11:58:51,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:51,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056066038] [2024-11-09 11:58:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 3 proven. 206 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-09 11:58:51,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:51,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056066038] [2024-11-09 11:58:51,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056066038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:51,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396136984] [2024-11-09 11:58:51,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:58:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:51,538 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) [2024-11-09 11:58:51,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:58:51,587 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:58:51,588 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:51,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:58:51,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-09 11:58:51,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-09 11:58:51,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396136984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:51,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:51,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 6, 6] total 41 [2024-11-09 11:58:51,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131247346] [2024-11-09 11:58:51,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:51,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 11:58:51,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:51,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 11:58:51,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1317, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:58:51,791 INFO L87 Difference]: Start difference. First operand 2181 states and 2423 transitions. Second operand has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-11-09 11:58:52,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:52,797 INFO L93 Difference]: Finished difference Result 2499 states and 2793 transitions. [2024-11-09 11:58:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-09 11:58:52,798 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) Word has length 160 [2024-11-09 11:58:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:52,805 INFO L225 Difference]: With dead ends: 2499 [2024-11-09 11:58:52,805 INFO L226 Difference]: Without dead ends: 2234 [2024-11-09 11:58:52,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1396 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1414, Invalid=5558, Unknown=0, NotChecked=0, Total=6972 [2024-11-09 11:58:52,808 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 306 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:52,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 454 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:58:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2024-11-09 11:58:52,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 1054. [2024-11-09 11:58:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 841 states have (on average 1.1224732461355529) internal successors, (944), 846 states have internal predecessors, (944), 108 states have call successors, (108), 102 states have call predecessors, (108), 102 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 11:58:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1160 transitions. [2024-11-09 11:58:52,898 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1160 transitions. Word has length 160 [2024-11-09 11:58:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:52,898 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1160 transitions. [2024-11-09 11:58:52,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-11-09 11:58:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1160 transitions. [2024-11-09 11:58:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-09 11:58:52,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:52,901 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:52,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:58:53,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:53,103 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:53,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:53,104 INFO L85 PathProgramCache]: Analyzing trace with hash 913395973, now seen corresponding path program 1 times [2024-11-09 11:58:53,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:53,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004418243] [2024-11-09 11:58:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:58:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 11:58:53,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:53,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004418243] [2024-11-09 11:58:53,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004418243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:53,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476056858] [2024-11-09 11:58:53,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:53,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:53,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:53,668 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) [2024-11-09 11:58:53,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:58:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:53,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:58:53,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 628 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:58:54,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 264 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 11:58:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476056858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:58:55,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:58:55,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 90 [2024-11-09 11:58:55,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735104589] [2024-11-09 11:58:55,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:55,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-11-09 11:58:55,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-11-09 11:58:55,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=6552, Unknown=0, NotChecked=0, Total=8190 [2024-11-09 11:58:55,236 INFO L87 Difference]: Start difference. First operand 1054 states and 1160 transitions. Second operand has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-09 11:58:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:58,784 INFO L93 Difference]: Finished difference Result 2060 states and 2316 transitions. [2024-11-09 11:58:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-11-09 11:58:58,784 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) Word has length 166 [2024-11-09 11:58:58,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:58,790 INFO L225 Difference]: With dead ends: 2060 [2024-11-09 11:58:58,790 INFO L226 Difference]: Without dead ends: 1900 [2024-11-09 11:58:58,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9992 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=8151, Invalid=32049, Unknown=0, NotChecked=0, Total=40200 [2024-11-09 11:58:58,794 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 892 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:58,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 686 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:58:58,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-09 11:58:58,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1297. [2024-11-09 11:58:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1036 states have (on average 1.1332046332046333) internal successors, (1174), 1041 states have internal predecessors, (1174), 132 states have call successors, (132), 126 states have call predecessors, (132), 126 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-09 11:58:58,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1438 transitions. [2024-11-09 11:58:58,871 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1438 transitions. Word has length 166 [2024-11-09 11:58:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:58,871 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1438 transitions. [2024-11-09 11:58:58,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-09 11:58:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1438 transitions. [2024-11-09 11:58:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 11:58:58,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:58,877 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:58,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:58:59,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:59,081 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:59,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:59,081 INFO L85 PathProgramCache]: Analyzing trace with hash -474965256, now seen corresponding path program 1 times [2024-11-09 11:58:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366100737] [2024-11-09 11:58:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:59,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:58:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:58:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:58:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:58:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:58:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:58:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:58:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:58:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:58:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:58:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:58:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:58:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:58:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:58:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:58:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:58:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-11-09 11:58:59,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:59,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366100737] [2024-11-09 11:58:59,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366100737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:59,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:59,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:58:59,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463092701] [2024-11-09 11:58:59,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:59,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:58:59,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:59,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:58:59,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:59,198 INFO L87 Difference]: Start difference. First operand 1297 states and 1438 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:58:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:59,397 INFO L93 Difference]: Finished difference Result 2030 states and 2276 transitions. [2024-11-09 11:58:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:58:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 190 [2024-11-09 11:58:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:59,402 INFO L225 Difference]: With dead ends: 2030 [2024-11-09 11:58:59,402 INFO L226 Difference]: Without dead ends: 1347 [2024-11-09 11:58:59,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:59,403 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:59,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 116 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:58:59,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-09 11:58:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1290. [2024-11-09 11:58:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1032 states have (on average 1.128875968992248) internal successors, (1165), 1039 states have internal predecessors, (1165), 132 states have call successors, (132), 123 states have call predecessors, (132), 123 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-09 11:58:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1429 transitions. [2024-11-09 11:58:59,480 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1429 transitions. Word has length 190 [2024-11-09 11:58:59,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:59,480 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1429 transitions. [2024-11-09 11:58:59,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:58:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1429 transitions. [2024-11-09 11:58:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-09 11:58:59,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:59,483 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 3, 3, 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] [2024-11-09 11:58:59,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:58:59,483 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:58:59,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2124485099, now seen corresponding path program 1 times [2024-11-09 11:58:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:59,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831403286] [2024-11-09 11:58:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-09 11:59:00,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:00,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831403286] [2024-11-09 11:59:00,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831403286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:00,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388161600] [2024-11-09 11:59:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:00,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:00,232 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) [2024-11-09 11:59:00,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:59:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:00,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 11:59:00,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 1076 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:59:00,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-09 11:59:01,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388161600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:01,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:01,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 38] total 77 [2024-11-09 11:59:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508754776] [2024-11-09 11:59:01,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:01,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-09 11:59:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-09 11:59:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1251, Invalid=4601, Unknown=0, NotChecked=0, Total=5852 [2024-11-09 11:59:01,260 INFO L87 Difference]: Start difference. First operand 1290 states and 1429 transitions. Second operand has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-09 11:59:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:03,490 INFO L93 Difference]: Finished difference Result 2741 states and 3082 transitions. [2024-11-09 11:59:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-11-09 11:59:03,491 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) Word has length 200 [2024-11-09 11:59:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:03,497 INFO L225 Difference]: With dead ends: 2741 [2024-11-09 11:59:03,497 INFO L226 Difference]: Without dead ends: 2470 [2024-11-09 11:59:03,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7096 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=5861, Invalid=20545, Unknown=0, NotChecked=0, Total=26406 [2024-11-09 11:59:03,501 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 595 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:03,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 687 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:59:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2024-11-09 11:59:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2225. [2024-11-09 11:59:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 1784 states have (on average 1.1216367713004485) internal successors, (2001), 1790 states have internal predecessors, (2001), 223 states have call successors, (223), 215 states have call predecessors, (223), 215 states have return successors, (223), 219 states have call predecessors, (223), 223 states have call successors, (223) [2024-11-09 11:59:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2447 transitions. [2024-11-09 11:59:03,652 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2447 transitions. Word has length 200 [2024-11-09 11:59:03,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:03,652 INFO L471 AbstractCegarLoop]: Abstraction has 2225 states and 2447 transitions. [2024-11-09 11:59:03,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-09 11:59:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2447 transitions. [2024-11-09 11:59:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 11:59:03,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:03,657 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 13, 13, 13, 13, 13, 13, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:03,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:59:03,858 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,SelfDestructingSolverStorable23 [2024-11-09 11:59:03,858 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:03,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:03,858 INFO L85 PathProgramCache]: Analyzing trace with hash -467157898, now seen corresponding path program 1 times [2024-11-09 11:59:03,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:03,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949081858] [2024-11-09 11:59:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-09 11:59:04,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:04,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949081858] [2024-11-09 11:59:04,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949081858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:04,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549607327] [2024-11-09 11:59:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:04,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:04,632 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) [2024-11-09 11:59:04,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:59:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:04,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 11:59:04,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 1203 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:59:05,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 519 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-09 11:59:07,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549607327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:07,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:07,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40, 40] total 120 [2024-11-09 11:59:07,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455467193] [2024-11-09 11:59:07,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:07,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-11-09 11:59:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:07,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-11-09 11:59:07,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2848, Invalid=11672, Unknown=0, NotChecked=0, Total=14520 [2024-11-09 11:59:07,180 INFO L87 Difference]: Start difference. First operand 2225 states and 2447 transitions. Second operand has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-09 11:59:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:13,552 INFO L93 Difference]: Finished difference Result 4044 states and 4554 transitions. [2024-11-09 11:59:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-11-09 11:59:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) Word has length 216 [2024-11-09 11:59:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:13,562 INFO L225 Difference]: With dead ends: 4044 [2024-11-09 11:59:13,562 INFO L226 Difference]: Without dead ends: 3773 [2024-11-09 11:59:13,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21714 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=15707, Invalid=65233, Unknown=0, NotChecked=0, Total=80940 [2024-11-09 11:59:13,567 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1393 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:13,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 654 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:59:13,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2024-11-09 11:59:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 2831. [2024-11-09 11:59:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2275 states have (on average 1.1248351648351649) internal successors, (2559), 2280 states have internal predecessors, (2559), 282 states have call successors, (282), 271 states have call predecessors, (282), 271 states have return successors, (282), 279 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-09 11:59:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3123 transitions. [2024-11-09 11:59:13,797 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3123 transitions. Word has length 216 [2024-11-09 11:59:13,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:13,797 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3123 transitions. [2024-11-09 11:59:13,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-09 11:59:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3123 transitions. [2024-11-09 11:59:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-09 11:59:13,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:13,802 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 17, 17, 17, 17, 17, 17, 15, 4, 4, 4, 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] [2024-11-09 11:59:13,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:59:14,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:14,007 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:14,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1954458153, now seen corresponding path program 2 times [2024-11-09 11:59:14,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:14,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948676217] [2024-11-09 11:59:14,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:14,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:14,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:15,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:15,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 11:59:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:59:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-09 11:59:15,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:15,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948676217] [2024-11-09 11:59:15,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948676217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:15,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287157153] [2024-11-09 11:59:15,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:59:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:15,011 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) [2024-11-09 11:59:15,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:59:15,088 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:59:15,088 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:59:15,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 11:59:15,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 1676 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:59:15,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-09 11:59:16,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287157153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:16,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:16,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 46] total 93 [2024-11-09 11:59:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088219] [2024-11-09 11:59:16,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:16,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-11-09 11:59:16,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-11-09 11:59:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1807, Invalid=6749, Unknown=0, NotChecked=0, Total=8556 [2024-11-09 11:59:16,392 INFO L87 Difference]: Start difference. First operand 2831 states and 3123 transitions. Second operand has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-11-09 11:59:20,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:20,078 INFO L93 Difference]: Finished difference Result 4822 states and 5384 transitions. [2024-11-09 11:59:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-11-09 11:59:20,081 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) Word has length 240 [2024-11-09 11:59:20,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:20,094 INFO L225 Difference]: With dead ends: 4822 [2024-11-09 11:59:20,094 INFO L226 Difference]: Without dead ends: 4371 [2024-11-09 11:59:20,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13517 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=9601, Invalid=36839, Unknown=0, NotChecked=0, Total=46440 [2024-11-09 11:59:20,099 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 884 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:20,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 593 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:59:20,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2024-11-09 11:59:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 3705. [2024-11-09 11:59:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2976 states have (on average 1.1216397849462365) internal successors, (3338), 2981 states have internal predecessors, (3338), 369 states have call successors, (369), 357 states have call predecessors, (369), 357 states have return successors, (369), 366 states have call predecessors, (369), 369 states have call successors, (369) [2024-11-09 11:59:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 4076 transitions. [2024-11-09 11:59:20,423 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 4076 transitions. Word has length 240 [2024-11-09 11:59:20,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:20,424 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 4076 transitions. [2024-11-09 11:59:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-11-09 11:59:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 4076 transitions. [2024-11-09 11:59:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-09 11:59:20,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:20,430 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 19, 19, 19, 18, 18, 18, 17, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:20,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:59:20,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:20,631 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:20,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash -755735567, now seen corresponding path program 1 times [2024-11-09 11:59:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:20,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071220839] [2024-11-09 11:59:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 11:59:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:59:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 11:59:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-11-09 11:59:21,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071220839] [2024-11-09 11:59:21,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071220839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012018699] [2024-11-09 11:59:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:21,588 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) [2024-11-09 11:59:21,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:59:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:21,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 11:59:21,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1926 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:59:21,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-11-09 11:59:23,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012018699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:23,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:23,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 48] total 97 [2024-11-09 11:59:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334347694] [2024-11-09 11:59:23,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:23,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-09 11:59:23,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:23,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-09 11:59:23,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2041, Invalid=7271, Unknown=0, NotChecked=0, Total=9312 [2024-11-09 11:59:23,092 INFO L87 Difference]: Start difference. First operand 3705 states and 4076 transitions. Second operand has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-11-09 11:59:26,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:26,538 INFO L93 Difference]: Finished difference Result 5728 states and 6340 transitions. [2024-11-09 11:59:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-09 11:59:26,538 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) Word has length 254 [2024-11-09 11:59:26,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:26,551 INFO L225 Difference]: With dead ends: 5728 [2024-11-09 11:59:26,551 INFO L226 Difference]: Without dead ends: 5277 [2024-11-09 11:59:26,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11752 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=9993, Invalid=33479, Unknown=0, NotChecked=0, Total=43472 [2024-11-09 11:59:26,556 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 871 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:26,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 562 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:59:26,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2024-11-09 11:59:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 4819. [2024-11-09 11:59:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3871 states have (on average 1.1183156807026609) internal successors, (4329), 3876 states have internal predecessors, (4329), 478 states have call successors, (478), 467 states have call predecessors, (478), 467 states have return successors, (478), 475 states have call predecessors, (478), 478 states have call successors, (478) [2024-11-09 11:59:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 5285 transitions. [2024-11-09 11:59:26,963 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 5285 transitions. Word has length 254 [2024-11-09 11:59:26,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:26,964 INFO L471 AbstractCegarLoop]: Abstraction has 4819 states and 5285 transitions. [2024-11-09 11:59:26,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-11-09 11:59:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 5285 transitions. [2024-11-09 11:59:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-09 11:59:26,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:26,972 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 17, 17, 17, 16, 16, 16, 15, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:26,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:59:27,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:27,174 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:27,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:27,174 INFO L85 PathProgramCache]: Analyzing trace with hash -568667030, now seen corresponding path program 2 times [2024-11-09 11:59:27,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:27,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346237599] [2024-11-09 11:59:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 11:59:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:59:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 11:59:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-09 11:59:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-09 11:59:28,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:28,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346237599] [2024-11-09 11:59:28,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346237599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:28,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447145855] [2024-11-09 11:59:28,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:59:28,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:28,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:28,319 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) [2024-11-09 11:59:28,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:59:28,404 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:59:28,404 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:59:28,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 11:59:28,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 1862 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:59:28,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-09 11:59:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447145855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:29,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:29,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 50] total 101 [2024-11-09 11:59:29,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572990319] [2024-11-09 11:59:29,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:29,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-09 11:59:29,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:29,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-09 11:59:29,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2043, Invalid=8057, Unknown=0, NotChecked=0, Total=10100 [2024-11-09 11:59:29,944 INFO L87 Difference]: Start difference. First operand 4819 states and 5285 transitions. Second operand has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-09 11:59:33,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:33,837 INFO L93 Difference]: Finished difference Result 7372 states and 8147 transitions. [2024-11-09 11:59:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-11-09 11:59:33,837 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) Word has length 264 [2024-11-09 11:59:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:33,849 INFO L225 Difference]: With dead ends: 7372 [2024-11-09 11:59:33,849 INFO L226 Difference]: Without dead ends: 6921 [2024-11-09 11:59:33,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13453 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=9860, Invalid=37882, Unknown=0, NotChecked=0, Total=47742 [2024-11-09 11:59:33,852 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 941 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:33,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 623 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:59:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6921 states. [2024-11-09 11:59:34,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6921 to 5072. [2024-11-09 11:59:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 4071 states have (on average 1.1183984279046917) internal successors, (4553), 4075 states have internal predecessors, (4553), 504 states have call successors, (504), 494 states have call predecessors, (504), 494 states have return successors, (504), 502 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-09 11:59:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 5561 transitions. [2024-11-09 11:59:34,329 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 5561 transitions. Word has length 264 [2024-11-09 11:59:34,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:34,330 INFO L471 AbstractCegarLoop]: Abstraction has 5072 states and 5561 transitions. [2024-11-09 11:59:34,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-09 11:59:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 5561 transitions. [2024-11-09 11:59:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-09 11:59:34,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:34,338 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 16, 16, 16, 16, 16, 16, 14, 7, 7, 7, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:34,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:59:34,542 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,SelfDestructingSolverStorable27 [2024-11-09 11:59:34,543 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:34,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:34,543 INFO L85 PathProgramCache]: Analyzing trace with hash 723105198, now seen corresponding path program 3 times [2024-11-09 11:59:34,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:34,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423485285] [2024-11-09 11:59:34,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 11:59:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:59:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 11:59:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-09 11:59:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 11:59:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 6 proven. 840 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 11:59:35,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:35,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423485285] [2024-11-09 11:59:35,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423485285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:35,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964836312] [2024-11-09 11:59:35,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:59:35,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:35,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:35,713 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) [2024-11-09 11:59:35,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:59:35,768 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:59:35,769 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:59:35,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:59:35,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-11-09 11:59:35,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:59:35,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964836312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:59:35,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:59:35,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [53] total 58 [2024-11-09 11:59:35,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261417382] [2024-11-09 11:59:35,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:59:35,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:59:35,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:35,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:59:35,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 11:59:35,880 INFO L87 Difference]: Start difference. First operand 5072 states and 5561 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:59:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:36,409 INFO L93 Difference]: Finished difference Result 5125 states and 5609 transitions. [2024-11-09 11:59:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:59:36,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 270 [2024-11-09 11:59:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:36,419 INFO L225 Difference]: With dead ends: 5125 [2024-11-09 11:59:36,419 INFO L226 Difference]: Without dead ends: 5123 [2024-11-09 11:59:36,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 11:59:36,420 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:36,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:59:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-09 11:59:36,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 4355. [2024-11-09 11:59:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 3488 states have (on average 1.118979357798165) internal successors, (3903), 3493 states have internal predecessors, (3903), 435 states have call successors, (435), 429 states have call predecessors, (435), 429 states have return successors, (435), 432 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-09 11:59:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 4773 transitions. [2024-11-09 11:59:36,736 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 4773 transitions. Word has length 270 [2024-11-09 11:59:36,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:36,737 INFO L471 AbstractCegarLoop]: Abstraction has 4355 states and 4773 transitions. [2024-11-09 11:59:36,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:59:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 4773 transitions. [2024-11-09 11:59:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-09 11:59:36,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:59:36,742 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 19, 19, 19, 18, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:36,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:59:36,942 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,SelfDestructingSolverStorable28 [2024-11-09 11:59:36,944 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:59:36,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:59:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1986425027, now seen corresponding path program 3 times [2024-11-09 11:59:36,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:59:36,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385402665] [2024-11-09 11:59:36,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:59:36,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:59:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:59:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:59:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 11:59:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:59:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:59:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:59:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 11:59:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:59:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:59:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:59:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:59:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:59:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:59:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:37,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:59:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:59:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 11:59:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:59:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 11:59:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:59:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:59:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-09 11:59:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 11:59:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 11:59:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 11:59:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:59:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 11:59:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-09 11:59:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 11:59:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:59:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 11:59:38,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:59:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385402665] [2024-11-09 11:59:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385402665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:59:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257466276] [2024-11-09 11:59:38,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:59:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:59:38,024 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) [2024-11-09 11:59:38,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:59:38,097 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:59:38,097 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:59:38,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:59:38,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:59:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 239 proven. 1 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2024-11-09 11:59:38,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:59:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 147 proven. 1 refuted. 0 times theorem prover too weak. 2124 trivial. 0 not checked. [2024-11-09 11:59:38,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257466276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:59:38,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:59:38,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 8, 8] total 67 [2024-11-09 11:59:38,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382512275] [2024-11-09 11:59:38,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:59:38,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-09 11:59:38,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:59:38,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-09 11:59:38,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=3514, Unknown=0, NotChecked=0, Total=4422 [2024-11-09 11:59:38,524 INFO L87 Difference]: Start difference. First operand 4355 states and 4773 transitions. Second operand has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-11-09 11:59:41,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:59:41,232 INFO L93 Difference]: Finished difference Result 5191 states and 5704 transitions. [2024-11-09 11:59:41,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-11-09 11:59:41,234 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) Word has length 274 [2024-11-09 11:59:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:59:41,237 INFO L225 Difference]: With dead ends: 5191 [2024-11-09 11:59:41,237 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:59:41,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4674 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4604, Invalid=17746, Unknown=0, NotChecked=0, Total=22350 [2024-11-09 11:59:41,243 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 540 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:59:41,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 450 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:59:41,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:59:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:59:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:59:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:59:41,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2024-11-09 11:59:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:59:41,244 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:59:41,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-11-09 11:59:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:59:41,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:59:41,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-09 11:59:41,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-09 11:59:41,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-09 11:59:41,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-09 11:59:41,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-09 11:59:41,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-09 11:59:41,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 11:59:41,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:59:41,454 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:59:41,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.