./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:57:21,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:57:21,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:57:21,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:57:21,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:57:21,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:57:21,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:57:21,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:57:21,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:57:21,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:57:21,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:57:21,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:57:21,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:57:21,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:57:21,906 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:57:21,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:57:21,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:57:21,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:57:21,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:57:21,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:57:21,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:57:21,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:57:21,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:57:21,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:57:21,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:57:21,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:57:21,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:57:21,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:57:21,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:57:21,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:57:21,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:57:21,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:57:21,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:57:21,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:57:21,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:57:21,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:57:21,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:57:21,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:57:21,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:57:21,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:57:21,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:57:21,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:57:21,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:57:21,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:57:21,917 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2024-10-11 20:57:22,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:57:22,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:57:22,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:57:22,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:57:22,249 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:57:22,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2024-10-11 20:57:23,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:57:24,056 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:57:24,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2024-10-11 20:57:24,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a7c6ba9c6/8a6aab0bd9534bd8a54e3b2285dee002/FLAG9569e8931 [2024-10-11 20:57:24,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a7c6ba9c6/8a6aab0bd9534bd8a54e3b2285dee002 [2024-10-11 20:57:24,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:57:24,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:57:24,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:57:24,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:57:24,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:57:24,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5789810e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24, skipping insertion in model container [2024-10-11 20:57:24,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:57:24,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:57:24,293 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:57:24,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:57:24,324 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:57:24,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24 WrapperNode [2024-10-11 20:57:24,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:57:24,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:57:24,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:57:24,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:57:24,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,351 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-10-11 20:57:24,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:57:24,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:57:24,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:57:24,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:57:24,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,381 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-11 20:57:24,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:57:24,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:57:24,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:57:24,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:57:24,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (1/1) ... [2024-10-11 20:57:24,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:57:24,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:24,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:57:24,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:57:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:57:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:57:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:57:24,508 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:57:24,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:57:24,772 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-10-11 20:57:24,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:57:24,791 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:57:24,792 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:57:24,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:57:24 BoogieIcfgContainer [2024-10-11 20:57:24,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:57:24,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:57:24,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:57:24,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:57:24,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:57:24" (1/3) ... [2024-10-11 20:57:24,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2664e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:57:24, skipping insertion in model container [2024-10-11 20:57:24,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:24" (2/3) ... [2024-10-11 20:57:24,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2664e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:57:24, skipping insertion in model container [2024-10-11 20:57:24,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:57:24" (3/3) ... [2024-10-11 20:57:24,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound20.c [2024-10-11 20:57:24,812 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:57:24,812 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-11 20:57:24,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:57:24,868 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;@467a8a06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:57:24,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-11 20:57:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:57:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:57:24,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:24,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:57:24,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:24,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash 491003590, now seen corresponding path program 1 times [2024-10-11 20:57:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:24,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995854804] [2024-10-11 20:57:24,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:57:25,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:25,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995854804] [2024-10-11 20:57:25,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995854804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:25,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:25,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:25,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299219796] [2024-10-11 20:57:25,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:25,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:57:25,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:25,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:57:25,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:57:25,037 INFO L87 Difference]: Start difference. First operand has 69 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:57:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:25,065 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-10-11 20:57:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:57:25,068 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 20:57:25,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:25,074 INFO L225 Difference]: With dead ends: 136 [2024-10-11 20:57:25,074 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 20:57:25,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:57:25,079 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:25,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:57:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 20:57:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-11 20:57:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:57:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2024-10-11 20:57:25,107 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 6 [2024-10-11 20:57:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:25,107 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2024-10-11 20:57:25,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:57:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2024-10-11 20:57:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:57:25,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:25,109 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:25,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:57:25,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:25,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:25,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1989668520, now seen corresponding path program 1 times [2024-10-11 20:57:25,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:25,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361242723] [2024-10-11 20:57:25,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:25,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469404433] [2024-10-11 20:57:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:25,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:25,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:57:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:25,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:57:25,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:25,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:25,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361242723] [2024-10-11 20:57:25,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:25,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469404433] [2024-10-11 20:57:25,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469404433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:25,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:25,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695969203] [2024-10-11 20:57:25,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:25,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:25,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:25,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:25,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:25,273 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:57:25,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:25,362 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2024-10-11 20:57:25,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:25,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-10-11 20:57:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:25,364 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:57:25,365 INFO L226 Difference]: Without dead ends: 88 [2024-10-11 20:57:25,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:25,366 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 16 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:25,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 94 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:25,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-11 20:57:25,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2024-10-11 20:57:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:57:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 104 transitions. [2024-10-11 20:57:25,384 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 104 transitions. Word has length 15 [2024-10-11 20:57:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:25,385 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 104 transitions. [2024-10-11 20:57:25,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:57:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2024-10-11 20:57:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:57:25,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:25,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:25,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:25,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:25,588 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:25,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:25,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1953746883, now seen corresponding path program 1 times [2024-10-11 20:57:25,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:25,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950109380] [2024-10-11 20:57:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:25,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:25,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950109380] [2024-10-11 20:57:25,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950109380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:25,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:25,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:25,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920270440] [2024-10-11 20:57:25,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:25,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:25,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:25,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:25,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:25,777 INFO L87 Difference]: Start difference. First operand 86 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:25,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:25,866 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2024-10-11 20:57:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:25,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-10-11 20:57:25,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:25,869 INFO L225 Difference]: With dead ends: 96 [2024-10-11 20:57:25,870 INFO L226 Difference]: Without dead ends: 94 [2024-10-11 20:57:25,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:25,872 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:25,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-11 20:57:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2024-10-11 20:57:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.607843137254902) internal successors, (82), 74 states have internal predecessors, (82), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:57:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2024-10-11 20:57:25,891 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 23 [2024-10-11 20:57:25,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:25,892 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2024-10-11 20:57:25,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-10-11 20:57:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:57:25,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:25,892 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:25,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:57:25,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:25,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:25,896 INFO L85 PathProgramCache]: Analyzing trace with hash -436612543, now seen corresponding path program 1 times [2024-10-11 20:57:25,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:25,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394392278] [2024-10-11 20:57:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:25,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312625549] [2024-10-11 20:57:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:25,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:25,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:25,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:57:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:57:25,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:26,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:26,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394392278] [2024-10-11 20:57:26,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312625549] [2024-10-11 20:57:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312625549] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:26,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:26,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:26,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632771989] [2024-10-11 20:57:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:26,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:26,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:26,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:26,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:26,027 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:26,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:26,102 INFO L93 Difference]: Finished difference Result 121 states and 146 transitions. [2024-10-11 20:57:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:26,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-10-11 20:57:26,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:26,105 INFO L225 Difference]: With dead ends: 121 [2024-10-11 20:57:26,105 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 20:57:26,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:26,106 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:26,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 20:57:26,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2024-10-11 20:57:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 89 states have internal predecessors, (105), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:57:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2024-10-11 20:57:26,116 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 129 transitions. Word has length 24 [2024-10-11 20:57:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:26,116 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 129 transitions. [2024-10-11 20:57:26,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2024-10-11 20:57:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:57:26,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:26,117 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:26,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:26,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:26,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:26,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:26,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1322143843, now seen corresponding path program 1 times [2024-10-11 20:57:26,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:26,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266550415] [2024-10-11 20:57:26,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:26,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266550415] [2024-10-11 20:57:26,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266550415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:26,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:26,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:57:26,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221377779] [2024-10-11 20:57:26,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:26,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:26,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:26,519 INFO L87 Difference]: Start difference. First operand 103 states and 129 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:26,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:26,899 INFO L93 Difference]: Finished difference Result 119 states and 143 transitions. [2024-10-11 20:57:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:26,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-11 20:57:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:26,901 INFO L225 Difference]: With dead ends: 119 [2024-10-11 20:57:26,901 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:57:26,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:57:26,902 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 264 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:26,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 85 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:57:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2024-10-11 20:57:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:57:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2024-10-11 20:57:26,911 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 26 [2024-10-11 20:57:26,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:26,912 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2024-10-11 20:57:26,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2024-10-11 20:57:26,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:57:26,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:26,913 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:26,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:57:26,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:26,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:26,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1963213740, now seen corresponding path program 1 times [2024-10-11 20:57:26,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:26,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500906846] [2024-10-11 20:57:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:26,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:27,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:27,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500906846] [2024-10-11 20:57:27,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500906846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:27,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:27,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:27,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140431548] [2024-10-11 20:57:27,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:27,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:27,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:27,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:27,009 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:27,389 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2024-10-11 20:57:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:27,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-11 20:57:27,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:27,395 INFO L225 Difference]: With dead ends: 119 [2024-10-11 20:57:27,395 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:57:27,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:27,398 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 51 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:27,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 154 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:27,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:57:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2024-10-11 20:57:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.5) internal successors, (114), 99 states have internal predecessors, (114), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:57:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2024-10-11 20:57:27,429 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 27 [2024-10-11 20:57:27,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:27,430 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2024-10-11 20:57:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-10-11 20:57:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:57:27,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:27,431 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:27,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:57:27,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:27,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash -931997051, now seen corresponding path program 1 times [2024-10-11 20:57:27,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094611752] [2024-10-11 20:57:27,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:27,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594596724] [2024-10-11 20:57:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:27,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:27,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:27,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:57:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:27,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:27,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:27,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:27,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094611752] [2024-10-11 20:57:27,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:27,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594596724] [2024-10-11 20:57:27,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594596724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:27,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:27,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:57:27,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721001867] [2024-10-11 20:57:27,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:27,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:27,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:27,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:27,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:27,597 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2024-10-11 20:57:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:27,671 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2024-10-11 20:57:27,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:27,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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 38 [2024-10-11 20:57:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:27,673 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:57:27,673 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 20:57:27,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:27,674 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 38 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:27,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 110 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:27,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 20:57:27,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 20:57:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 98 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:57:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2024-10-11 20:57:27,687 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 38 [2024-10-11 20:57:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:27,687 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2024-10-11 20:57:27,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2024-10-11 20:57:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2024-10-11 20:57:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 20:57:27,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:27,688 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:27,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:27,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:27,890 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:27,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:27,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1172862545, now seen corresponding path program 1 times [2024-10-11 20:57:27,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:27,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370113696] [2024-10-11 20:57:27,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830301907] [2024-10-11 20:57:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:27,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:27,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:57:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:27,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:28,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:28,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:28,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370113696] [2024-10-11 20:57:28,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:28,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830301907] [2024-10-11 20:57:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830301907] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:28,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:57:28,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379115110] [2024-10-11 20:57:28,511 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:28,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:28,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:28,511 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2024-10-11 20:57:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:28,604 INFO L93 Difference]: Finished difference Result 190 states and 245 transitions. [2024-10-11 20:57:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:28,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 39 [2024-10-11 20:57:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:28,606 INFO L225 Difference]: With dead ends: 190 [2024-10-11 20:57:28,606 INFO L226 Difference]: Without dead ends: 186 [2024-10-11 20:57:28,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:28,607 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 59 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:28,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 99 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-10-11 20:57:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 174. [2024-10-11 20:57:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 130 states have (on average 1.4230769230769231) internal successors, (185), 149 states have internal predecessors, (185), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:57:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 231 transitions. [2024-10-11 20:57:28,633 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 231 transitions. Word has length 39 [2024-10-11 20:57:28,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:28,634 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 231 transitions. [2024-10-11 20:57:28,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-11 20:57:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2024-10-11 20:57:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:57:28,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:28,635 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:28,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:57:28,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:57:28,835 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:28,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1723238283, now seen corresponding path program 1 times [2024-10-11 20:57:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195013042] [2024-10-11 20:57:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:28,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 20:57:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:28,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:28,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195013042] [2024-10-11 20:57:28,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195013042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:28,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:28,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:57:28,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595730044] [2024-10-11 20:57:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:28,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:28,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:28,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:28,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:28,930 INFO L87 Difference]: Start difference. First operand 174 states and 231 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:29,143 INFO L93 Difference]: Finished difference Result 186 states and 243 transitions. [2024-10-11 20:57:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2024-10-11 20:57:29,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:29,145 INFO L225 Difference]: With dead ends: 186 [2024-10-11 20:57:29,145 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 20:57:29,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:57:29,146 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 137 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:29,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 121 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:29,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 20:57:29,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 175. [2024-10-11 20:57:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:57:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-10-11 20:57:29,156 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 43 [2024-10-11 20:57:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:29,157 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-10-11 20:57:29,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-10-11 20:57:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:57:29,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:29,158 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:29,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:57:29,158 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:29,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1880779090, now seen corresponding path program 1 times [2024-10-11 20:57:29,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:29,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825324327] [2024-10-11 20:57:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 20:57:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825324327] [2024-10-11 20:57:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825324327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:29,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:29,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:29,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247143548] [2024-10-11 20:57:29,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:29,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:29,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:29,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:29,220 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:57:29,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:29,313 INFO L93 Difference]: Finished difference Result 180 states and 236 transitions. [2024-10-11 20:57:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:29,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-11 20:57:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:29,315 INFO L225 Difference]: With dead ends: 180 [2024-10-11 20:57:29,315 INFO L226 Difference]: Without dead ends: 165 [2024-10-11 20:57:29,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:29,316 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:29,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 127 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:29,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-11 20:57:29,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-10-11 20:57:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.4390243902439024) internal successors, (177), 142 states have internal predecessors, (177), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:57:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2024-10-11 20:57:29,325 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 44 [2024-10-11 20:57:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:29,325 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2024-10-11 20:57:29,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:57:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2024-10-11 20:57:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:57:29,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:29,326 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:29,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:57:29,326 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 878702362, now seen corresponding path program 1 times [2024-10-11 20:57:29,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:29,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511852468] [2024-10-11 20:57:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:29,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:29,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511852468] [2024-10-11 20:57:29,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511852468] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:29,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001056647] [2024-10-11 20:57:29,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:29,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:29,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:57:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:29,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:29,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001056647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:29,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:29,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 20:57:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807754998] [2024-10-11 20:57:29,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:29,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:29,434 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:57:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:29,508 INFO L93 Difference]: Finished difference Result 249 states and 340 transitions. [2024-10-11 20:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:29,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-10-11 20:57:29,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:29,510 INFO L225 Difference]: With dead ends: 249 [2024-10-11 20:57:29,510 INFO L226 Difference]: Without dead ends: 247 [2024-10-11 20:57:29,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:29,511 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 44 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:29,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 124 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:57:29,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-11 20:57:29,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 226. [2024-10-11 20:57:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.4463276836158192) internal successors, (256), 195 states have internal predecessors, (256), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 20:57:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-10-11 20:57:29,523 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 46 [2024-10-11 20:57:29,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:29,523 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-10-11 20:57:29,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:57:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-10-11 20:57:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:57:29,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:29,524 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:29,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:29,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:57:29,725 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:29,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:29,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1469969510, now seen corresponding path program 1 times [2024-10-11 20:57:29,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:29,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204114669] [2024-10-11 20:57:29,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:29,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:29,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204114669] [2024-10-11 20:57:29,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204114669] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:29,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916592559] [2024-10-11 20:57:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:29,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:29,777 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:29,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:57:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:29,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:29,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:29,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916592559] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:29,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:29,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 20:57:29,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986972865] [2024-10-11 20:57:29,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:29,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:57:29,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:29,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:57:29,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:29,901 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:57:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:30,019 INFO L93 Difference]: Finished difference Result 374 states and 513 transitions. [2024-10-11 20:57:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:30,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 47 [2024-10-11 20:57:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:30,021 INFO L225 Difference]: With dead ends: 374 [2024-10-11 20:57:30,022 INFO L226 Difference]: Without dead ends: 372 [2024-10-11 20:57:30,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:30,023 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 113 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:30,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 214 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:30,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-11 20:57:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 326. [2024-10-11 20:57:30,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 261 states have (on average 1.4444444444444444) internal successors, (377), 279 states have internal predecessors, (377), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 467 transitions. [2024-10-11 20:57:30,044 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 467 transitions. Word has length 47 [2024-10-11 20:57:30,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:30,045 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 467 transitions. [2024-10-11 20:57:30,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:57:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 467 transitions. [2024-10-11 20:57:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:57:30,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:30,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:30,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:57:30,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:57:30,248 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:30,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:30,248 INFO L85 PathProgramCache]: Analyzing trace with hash 334152881, now seen corresponding path program 1 times [2024-10-11 20:57:30,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:30,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555684374] [2024-10-11 20:57:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:30,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305318895] [2024-10-11 20:57:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:30,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:30,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:57:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:30,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-11 20:57:30,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:30,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555684374] [2024-10-11 20:57:30,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305318895] [2024-10-11 20:57:30,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305318895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:30,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:30,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:57:30,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893253689] [2024-10-11 20:57:30,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:30,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:30,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:30,373 INFO L87 Difference]: Start difference. First operand 326 states and 467 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:30,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:30,474 INFO L93 Difference]: Finished difference Result 345 states and 492 transitions. [2024-10-11 20:57:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:30,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-10-11 20:57:30,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:30,478 INFO L225 Difference]: With dead ends: 345 [2024-10-11 20:57:30,478 INFO L226 Difference]: Without dead ends: 339 [2024-10-11 20:57:30,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:30,479 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 100 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:30,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 81 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-11 20:57:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 323. [2024-10-11 20:57:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4147286821705427) internal successors, (365), 276 states have internal predecessors, (365), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 455 transitions. [2024-10-11 20:57:30,496 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 455 transitions. Word has length 50 [2024-10-11 20:57:30,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:30,496 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 455 transitions. [2024-10-11 20:57:30,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 455 transitions. [2024-10-11 20:57:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:57:30,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:30,498 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:57:30,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:57:30,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,700 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:30,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1641751762, now seen corresponding path program 2 times [2024-10-11 20:57:30,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:30,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909005570] [2024-10-11 20:57:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:30,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450021086] [2024-10-11 20:57:30,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:30,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:30,714 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:30,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:57:30,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:30,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:30,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:57:30,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:30,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909005570] [2024-10-11 20:57:31,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450021086] [2024-10-11 20:57:31,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450021086] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:31,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:31,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:57:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751229547] [2024-10-11 20:57:31,063 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:31,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:31,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:31,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:31,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:31,064 INFO L87 Difference]: Start difference. First operand 323 states and 455 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:57:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:31,189 INFO L93 Difference]: Finished difference Result 418 states and 586 transitions. [2024-10-11 20:57:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:31,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2024-10-11 20:57:31,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:31,191 INFO L225 Difference]: With dead ends: 418 [2024-10-11 20:57:31,191 INFO L226 Difference]: Without dead ends: 414 [2024-10-11 20:57:31,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:31,192 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 57 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:31,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 160 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:31,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-11 20:57:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 323. [2024-10-11 20:57:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4069767441860466) internal successors, (363), 276 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 453 transitions. [2024-10-11 20:57:31,207 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 453 transitions. Word has length 62 [2024-10-11 20:57:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:31,207 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 453 transitions. [2024-10-11 20:57:31,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:57:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 453 transitions. [2024-10-11 20:57:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 20:57:31,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:31,208 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:31,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:57:31,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:57:31,413 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:31,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash 968937877, now seen corresponding path program 1 times [2024-10-11 20:57:31,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:31,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800494720] [2024-10-11 20:57:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:31,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:31,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800494720] [2024-10-11 20:57:31,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800494720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:31,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:31,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:31,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331258832] [2024-10-11 20:57:31,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:31,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:31,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:31,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:31,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:31,460 INFO L87 Difference]: Start difference. First operand 323 states and 453 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:31,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:31,537 INFO L93 Difference]: Finished difference Result 323 states and 453 transitions. [2024-10-11 20:57:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:31,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2024-10-11 20:57:31,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:31,539 INFO L225 Difference]: With dead ends: 323 [2024-10-11 20:57:31,539 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 20:57:31,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:31,540 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:31,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 96 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 20:57:31,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2024-10-11 20:57:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.3837209302325582) internal successors, (357), 275 states have internal predecessors, (357), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 447 transitions. [2024-10-11 20:57:31,563 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 447 transitions. Word has length 69 [2024-10-11 20:57:31,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:31,564 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 447 transitions. [2024-10-11 20:57:31,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 447 transitions. [2024-10-11 20:57:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 20:57:31,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:31,565 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:31,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:57:31,565 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:31,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:31,565 INFO L85 PathProgramCache]: Analyzing trace with hash -27696772, now seen corresponding path program 1 times [2024-10-11 20:57:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:31,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026399319] [2024-10-11 20:57:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:31,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:31,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026399319] [2024-10-11 20:57:31,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026399319] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273948491] [2024-10-11 20:57:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:31,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:31,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:57:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:31,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:31,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:31,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273948491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:31,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:31,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:57:31,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340066712] [2024-10-11 20:57:31,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:31,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:31,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:31,838 INFO L87 Difference]: Start difference. First operand 322 states and 447 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:57:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:31,924 INFO L93 Difference]: Finished difference Result 340 states and 462 transitions. [2024-10-11 20:57:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2024-10-11 20:57:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:31,926 INFO L225 Difference]: With dead ends: 340 [2024-10-11 20:57:31,926 INFO L226 Difference]: Without dead ends: 339 [2024-10-11 20:57:31,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:57:31,927 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 124 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:31,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 123 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:31,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-11 20:57:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 322. [2024-10-11 20:57:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.372093023255814) internal successors, (354), 275 states have internal predecessors, (354), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 444 transitions. [2024-10-11 20:57:31,942 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 444 transitions. Word has length 70 [2024-10-11 20:57:31,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:31,942 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 444 transitions. [2024-10-11 20:57:31,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:57:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 444 transitions. [2024-10-11 20:57:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:57:31,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:31,943 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:31,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:57:32,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:32,144 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:32,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash -858599817, now seen corresponding path program 1 times [2024-10-11 20:57:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315782887] [2024-10-11 20:57:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:32,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:32,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315782887] [2024-10-11 20:57:32,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315782887] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:32,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032034282] [2024-10-11 20:57:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:32,279 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:32,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:57:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:32,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:32,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:32,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032034282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:32,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:32,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:57:32,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789642166] [2024-10-11 20:57:32,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:32,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:32,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:32,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:32,519 INFO L87 Difference]: Start difference. First operand 322 states and 444 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:32,616 INFO L93 Difference]: Finished difference Result 341 states and 465 transitions. [2024-10-11 20:57:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:32,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 71 [2024-10-11 20:57:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:32,618 INFO L225 Difference]: With dead ends: 341 [2024-10-11 20:57:32,619 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 20:57:32,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:32,619 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:32,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 110 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:32,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 20:57:32,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 331. [2024-10-11 20:57:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 267 states have (on average 1.3595505617977528) internal successors, (363), 284 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 453 transitions. [2024-10-11 20:57:32,642 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 453 transitions. Word has length 71 [2024-10-11 20:57:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:32,642 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 453 transitions. [2024-10-11 20:57:32,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 453 transitions. [2024-10-11 20:57:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:57:32,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:32,643 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:32,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:32,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:57:32,847 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:32,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash -846790434, now seen corresponding path program 1 times [2024-10-11 20:57:32,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:32,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625302452] [2024-10-11 20:57:32,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:32,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:32,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625302452] [2024-10-11 20:57:32,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625302452] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:32,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352364448] [2024-10-11 20:57:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:32,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:32,976 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:32,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:57:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:33,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:33,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:33,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:33,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352364448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:33,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:33,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:57:33,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306799219] [2024-10-11 20:57:33,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:33,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:33,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:33,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:33,149 INFO L87 Difference]: Start difference. First operand 331 states and 453 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:33,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:33,360 INFO L93 Difference]: Finished difference Result 340 states and 459 transitions. [2024-10-11 20:57:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:33,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-10-11 20:57:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:33,362 INFO L225 Difference]: With dead ends: 340 [2024-10-11 20:57:33,362 INFO L226 Difference]: Without dead ends: 338 [2024-10-11 20:57:33,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:33,363 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:33,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 77 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-11 20:57:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-10-11 20:57:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 270 states have (on average 1.3296296296296297) internal successors, (359), 287 states have internal predecessors, (359), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2024-10-11 20:57:33,386 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 72 [2024-10-11 20:57:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:33,386 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2024-10-11 20:57:33,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2024-10-11 20:57:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:57:33,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:33,387 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:33,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:57:33,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:57:33,588 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:33,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2016785600, now seen corresponding path program 1 times [2024-10-11 20:57:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:33,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671158831] [2024-10-11 20:57:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:33,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:33,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379345504] [2024-10-11 20:57:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:33,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:33,605 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:33,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:57:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:33,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:33,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:33,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671158831] [2024-10-11 20:57:34,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379345504] [2024-10-11 20:57:34,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379345504] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:34,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:34,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:57:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096098738] [2024-10-11 20:57:34,309 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:34,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:34,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:34,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:34,310 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:34,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:34,401 INFO L93 Difference]: Finished difference Result 418 states and 575 transitions. [2024-10-11 20:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:34,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2024-10-11 20:57:34,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:34,402 INFO L225 Difference]: With dead ends: 418 [2024-10-11 20:57:34,403 INFO L226 Difference]: Without dead ends: 417 [2024-10-11 20:57:34,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:34,403 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 79 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:34,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 86 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-11 20:57:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 394. [2024-10-11 20:57:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 324 states have (on average 1.345679012345679) internal successors, (436), 341 states have internal predecessors, (436), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 538 transitions. [2024-10-11 20:57:34,450 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 538 transitions. Word has length 74 [2024-10-11 20:57:34,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:34,450 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 538 transitions. [2024-10-11 20:57:34,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 538 transitions. [2024-10-11 20:57:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:57:34,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:34,451 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:34,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:57:34,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:34,652 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:34,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:34,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1904155923, now seen corresponding path program 1 times [2024-10-11 20:57:34,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:34,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576795723] [2024-10-11 20:57:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:34,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531163414] [2024-10-11 20:57:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:34,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:34,675 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:34,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:57:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:34,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:34,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:34,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:35,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:35,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576795723] [2024-10-11 20:57:35,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:35,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531163414] [2024-10-11 20:57:35,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531163414] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:35,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:35,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:57:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795208467] [2024-10-11 20:57:35,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:35,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:35,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:35,578 INFO L87 Difference]: Start difference. First operand 394 states and 538 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:35,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:35,688 INFO L93 Difference]: Finished difference Result 398 states and 538 transitions. [2024-10-11 20:57:35,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:35,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-10-11 20:57:35,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:35,690 INFO L225 Difference]: With dead ends: 398 [2024-10-11 20:57:35,690 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:57:35,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:35,691 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 53 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:35,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 68 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:57:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2024-10-11 20:57:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 324 states have (on average 1.2746913580246915) internal successors, (413), 339 states have internal predecessors, (413), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 515 transitions. [2024-10-11 20:57:35,713 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 515 transitions. Word has length 75 [2024-10-11 20:57:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:35,713 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 515 transitions. [2024-10-11 20:57:35,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 515 transitions. [2024-10-11 20:57:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:57:35,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:35,714 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:35,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:57:35,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:35,915 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:35,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:35,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1100708446, now seen corresponding path program 1 times [2024-10-11 20:57:35,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:35,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910672185] [2024-10-11 20:57:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:35,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:35,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:35,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910672185] [2024-10-11 20:57:35,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910672185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:35,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:35,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:35,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210741637] [2024-10-11 20:57:35,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:35,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:35,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:35,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:35,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:35,996 INFO L87 Difference]: Start difference. First operand 392 states and 515 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:36,289 INFO L93 Difference]: Finished difference Result 394 states and 515 transitions. [2024-10-11 20:57:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:57:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-10-11 20:57:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:36,291 INFO L225 Difference]: With dead ends: 394 [2024-10-11 20:57:36,291 INFO L226 Difference]: Without dead ends: 393 [2024-10-11 20:57:36,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:36,292 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 49 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:36,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 146 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-11 20:57:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-10-11 20:57:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 324 states have (on average 1.2469135802469136) internal successors, (404), 338 states have internal predecessors, (404), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 506 transitions. [2024-10-11 20:57:36,312 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 506 transitions. Word has length 76 [2024-10-11 20:57:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:36,312 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 506 transitions. [2024-10-11 20:57:36,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:57:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 506 transitions. [2024-10-11 20:57:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:57:36,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:36,313 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:36,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 20:57:36,313 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:36,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:36,314 INFO L85 PathProgramCache]: Analyzing trace with hash 237776629, now seen corresponding path program 1 times [2024-10-11 20:57:36,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:36,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28079841] [2024-10-11 20:57:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:36,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28079841] [2024-10-11 20:57:36,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28079841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442283484] [2024-10-11 20:57:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:36,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:36,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:36,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:36,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:57:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:57:36,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:36,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:37,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442283484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:37,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:57:37,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:57:37,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085491721] [2024-10-11 20:57:37,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:37,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:57:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:37,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:57:37,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:57:37,298 INFO L87 Difference]: Start difference. First operand 391 states and 506 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:57:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:38,372 INFO L93 Difference]: Finished difference Result 685 states and 910 transitions. [2024-10-11 20:57:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 20:57:38,372 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 77 [2024-10-11 20:57:38,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:38,375 INFO L225 Difference]: With dead ends: 685 [2024-10-11 20:57:38,375 INFO L226 Difference]: Without dead ends: 680 [2024-10-11 20:57:38,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 20:57:38,381 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 382 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:38,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 315 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:57:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-10-11 20:57:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 527. [2024-10-11 20:57:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 444 states have (on average 1.2387387387387387) internal successors, (550), 458 states have internal predecessors, (550), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:57:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 684 transitions. [2024-10-11 20:57:38,459 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 684 transitions. Word has length 77 [2024-10-11 20:57:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:38,460 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 684 transitions. [2024-10-11 20:57:38,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:57:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 684 transitions. [2024-10-11 20:57:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 20:57:38,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:38,463 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:38,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:38,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:57:38,664 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:38,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:38,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1730098740, now seen corresponding path program 1 times [2024-10-11 20:57:38,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:38,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928942640] [2024-10-11 20:57:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:38,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868478185] [2024-10-11 20:57:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:38,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:38,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:38,683 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:38,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:57:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:38,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:57:38,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 20:57:39,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928942640] [2024-10-11 20:57:39,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868478185] [2024-10-11 20:57:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868478185] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:39,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:57:39,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080572187] [2024-10-11 20:57:39,744 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:39,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:57:39,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:39,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:57:39,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:57:39,747 INFO L87 Difference]: Start difference. First operand 527 states and 684 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:57:40,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:40,154 INFO L93 Difference]: Finished difference Result 547 states and 696 transitions. [2024-10-11 20:57:40,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:40,155 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 91 [2024-10-11 20:57:40,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:40,157 INFO L225 Difference]: With dead ends: 547 [2024-10-11 20:57:40,157 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 20:57:40,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:40,160 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:40,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 217 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:57:40,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 20:57:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 423. [2024-10-11 20:57:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 352 states have (on average 1.2272727272727273) internal successors, (432), 366 states have internal predecessors, (432), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:57:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 542 transitions. [2024-10-11 20:57:40,181 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 542 transitions. Word has length 91 [2024-10-11 20:57:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:40,181 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 542 transitions. [2024-10-11 20:57:40,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:57:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 542 transitions. [2024-10-11 20:57:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 20:57:40,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:40,183 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:40,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:40,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:40,387 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:40,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash 472549654, now seen corresponding path program 1 times [2024-10-11 20:57:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:40,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052752936] [2024-10-11 20:57:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:57:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 20:57:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-11 20:57:40,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:40,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052752936] [2024-10-11 20:57:40,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052752936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:40,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:40,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:40,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669187092] [2024-10-11 20:57:40,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:40,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:40,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:40,445 INFO L87 Difference]: Start difference. First operand 423 states and 542 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:57:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:40,719 INFO L93 Difference]: Finished difference Result 425 states and 542 transitions. [2024-10-11 20:57:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:40,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 93 [2024-10-11 20:57:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:40,721 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:57:40,721 INFO L226 Difference]: Without dead ends: 392 [2024-10-11 20:57:40,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:40,722 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:40,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 182 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:40,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-11 20:57:40,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2024-10-11 20:57:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 324 states have (on average 1.2407407407407407) internal successors, (402), 337 states have internal predecessors, (402), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 504 transitions. [2024-10-11 20:57:40,741 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 504 transitions. Word has length 93 [2024-10-11 20:57:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:40,741 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 504 transitions. [2024-10-11 20:57:40,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:57:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 504 transitions. [2024-10-11 20:57:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:57:40,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:40,742 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-10-11 20:57:40,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 20:57:40,742 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:40,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:40,742 INFO L85 PathProgramCache]: Analyzing trace with hash -792946040, now seen corresponding path program 1 times [2024-10-11 20:57:40,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:40,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565978199] [2024-10-11 20:57:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:57:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:57:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:40,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:40,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565978199] [2024-10-11 20:57:40,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565978199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:40,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899559138] [2024-10-11 20:57:40,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:40,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:40,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:40,814 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:40,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:57:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:40,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:40,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:41,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899559138] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:41,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:41,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:57:41,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644278325] [2024-10-11 20:57:41,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:41,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:57:41,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:41,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:57:41,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:57:41,003 INFO L87 Difference]: Start difference. First operand 390 states and 504 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 20:57:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:41,229 INFO L93 Difference]: Finished difference Result 796 states and 1027 transitions. [2024-10-11 20:57:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:57:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 95 [2024-10-11 20:57:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:41,234 INFO L225 Difference]: With dead ends: 796 [2024-10-11 20:57:41,234 INFO L226 Difference]: Without dead ends: 794 [2024-10-11 20:57:41,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:57:41,236 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 257 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:41,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 309 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-10-11 20:57:41,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 540. [2024-10-11 20:57:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2444444444444445) internal successors, (560), 463 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 710 transitions. [2024-10-11 20:57:41,268 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 710 transitions. Word has length 95 [2024-10-11 20:57:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:41,269 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 710 transitions. [2024-10-11 20:57:41,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 20:57:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 710 transitions. [2024-10-11 20:57:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:57:41,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:41,270 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:41,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:57:41,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:57:41,473 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:41,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1070794258, now seen corresponding path program 2 times [2024-10-11 20:57:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:41,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206768699] [2024-10-11 20:57:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [979984579] [2024-10-11 20:57:41,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:41,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:41,503 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:41,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:57:41,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:41,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:41,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:57:41,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:57:42,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:42,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206768699] [2024-10-11 20:57:42,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979984579] [2024-10-11 20:57:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979984579] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:42,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:42,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:57:42,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999711317] [2024-10-11 20:57:42,840 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:42,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:57:42,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:42,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:57:42,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:42,842 INFO L87 Difference]: Start difference. First operand 540 states and 710 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:57:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:43,401 INFO L93 Difference]: Finished difference Result 564 states and 740 transitions. [2024-10-11 20:57:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:43,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 100 [2024-10-11 20:57:43,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:43,407 INFO L225 Difference]: With dead ends: 564 [2024-10-11 20:57:43,408 INFO L226 Difference]: Without dead ends: 563 [2024-10-11 20:57:43,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:57:43,408 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:43,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 312 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:57:43,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-10-11 20:57:43,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2024-10-11 20:57:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2422222222222221) internal successors, (559), 463 states have internal predecessors, (559), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 709 transitions. [2024-10-11 20:57:43,501 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 709 transitions. Word has length 100 [2024-10-11 20:57:43,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:43,505 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 709 transitions. [2024-10-11 20:57:43,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:57:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 709 transitions. [2024-10-11 20:57:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:57:43,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:43,506 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:43,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:57:43,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:43,709 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:43,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 844945041, now seen corresponding path program 2 times [2024-10-11 20:57:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077157790] [2024-10-11 20:57:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:43,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077157790] [2024-10-11 20:57:43,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077157790] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987830592] [2024-10-11 20:57:43,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:43,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:43,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:43,885 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:43,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:57:43,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:43,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:43,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:43,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:44,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987830592] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:44,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:44,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-10-11 20:57:44,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153570240] [2024-10-11 20:57:44,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:44,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:44,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:44,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:44,232 INFO L87 Difference]: Start difference. First operand 540 states and 709 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:57:44,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:44,379 INFO L93 Difference]: Finished difference Result 549 states and 715 transitions. [2024-10-11 20:57:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:44,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2024-10-11 20:57:44,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:44,382 INFO L225 Difference]: With dead ends: 549 [2024-10-11 20:57:44,382 INFO L226 Difference]: Without dead ends: 542 [2024-10-11 20:57:44,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:44,383 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:44,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 167 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-11 20:57:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2024-10-11 20:57:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2333333333333334) internal successors, (555), 463 states have internal predecessors, (555), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 705 transitions. [2024-10-11 20:57:44,410 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 705 transitions. Word has length 114 [2024-10-11 20:57:44,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:44,410 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 705 transitions. [2024-10-11 20:57:44,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:57:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 705 transitions. [2024-10-11 20:57:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:57:44,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:44,411 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-10-11 20:57:44,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:57:44,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:57:44,612 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:44,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:44,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1803512035, now seen corresponding path program 2 times [2024-10-11 20:57:44,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:44,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059728635] [2024-10-11 20:57:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:44,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:57:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:57:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:57:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:57:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 20:57:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:57:44,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:44,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059728635] [2024-10-11 20:57:44,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059728635] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:44,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324774990] [2024-10-11 20:57:44,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:44,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:44,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:44,711 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:44,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:57:44,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:57:44,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:44,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:57:44,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-11 20:57:44,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-11 20:57:44,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324774990] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:44,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:44,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-10-11 20:57:44,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386633921] [2024-10-11 20:57:44,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:44,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:57:44,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:57:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:57:44,947 INFO L87 Difference]: Start difference. First operand 540 states and 705 transitions. Second operand has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-10-11 20:57:45,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:45,355 INFO L93 Difference]: Finished difference Result 1060 states and 1453 transitions. [2024-10-11 20:57:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:57:45,356 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 116 [2024-10-11 20:57:45,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:45,359 INFO L225 Difference]: With dead ends: 1060 [2024-10-11 20:57:45,359 INFO L226 Difference]: Without dead ends: 1058 [2024-10-11 20:57:45,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:57:45,360 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1264 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:45,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 316 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:45,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-10-11 20:57:45,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 434. [2024-10-11 20:57:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 358 states have (on average 1.1983240223463687) internal successors, (429), 369 states have internal predecessors, (429), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:57:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 555 transitions. [2024-10-11 20:57:45,391 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 555 transitions. Word has length 116 [2024-10-11 20:57:45,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:45,391 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 555 transitions. [2024-10-11 20:57:45,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-10-11 20:57:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 555 transitions. [2024-10-11 20:57:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:57:45,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:45,392 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:45,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:45,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:45,593 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:45,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -969840553, now seen corresponding path program 1 times [2024-10-11 20:57:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:45,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638737909] [2024-10-11 20:57:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:57:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:57:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:45,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638737909] [2024-10-11 20:57:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638737909] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251426410] [2024-10-11 20:57:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:45,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:45,745 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:45,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:57:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:45,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:57:45,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:46,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:46,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251426410] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:46,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:46,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:57:46,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390892096] [2024-10-11 20:57:46,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:46,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:57:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:46,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:57:46,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:57:46,322 INFO L87 Difference]: Start difference. First operand 434 states and 555 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:46,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:46,871 INFO L93 Difference]: Finished difference Result 577 states and 740 transitions. [2024-10-11 20:57:46,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:57:46,871 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 116 [2024-10-11 20:57:46,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:46,873 INFO L225 Difference]: With dead ends: 577 [2024-10-11 20:57:46,873 INFO L226 Difference]: Without dead ends: 486 [2024-10-11 20:57:46,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 20:57:46,874 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 745 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:46,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 494 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-11 20:57:46,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 423. [2024-10-11 20:57:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 345 states have (on average 1.2260869565217392) internal successors, (423), 356 states have internal predecessors, (423), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:57:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 553 transitions. [2024-10-11 20:57:46,911 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 553 transitions. Word has length 116 [2024-10-11 20:57:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:46,911 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 553 transitions. [2024-10-11 20:57:46,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 553 transitions. [2024-10-11 20:57:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:57:46,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:46,912 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:46,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:57:47,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:57:47,113 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:47,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1896291402, now seen corresponding path program 1 times [2024-10-11 20:57:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059900588] [2024-10-11 20:57:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-10-11 20:57:47,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:47,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059900588] [2024-10-11 20:57:47,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059900588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:47,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356867673] [2024-10-11 20:57:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:47,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:47,391 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:47,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:57:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:47,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:57:47,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:47,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:49,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356867673] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:49,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:49,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-10-11 20:57:49,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119870288] [2024-10-11 20:57:49,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:49,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:57:49,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:49,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:57:49,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:57:49,813 INFO L87 Difference]: Start difference. First operand 423 states and 553 transitions. Second operand has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:57:50,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:50,218 INFO L93 Difference]: Finished difference Result 558 states and 742 transitions. [2024-10-11 20:57:50,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:50,218 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 121 [2024-10-11 20:57:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:50,220 INFO L225 Difference]: With dead ends: 558 [2024-10-11 20:57:50,220 INFO L226 Difference]: Without dead ends: 557 [2024-10-11 20:57:50,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:57:50,221 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 201 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:50,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 301 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-11 20:57:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 422. [2024-10-11 20:57:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 345 states have (on average 1.2173913043478262) internal successors, (420), 355 states have internal predecessors, (420), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:57:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 550 transitions. [2024-10-11 20:57:50,261 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 550 transitions. Word has length 121 [2024-10-11 20:57:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:50,261 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 550 transitions. [2024-10-11 20:57:50,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:57:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 550 transitions. [2024-10-11 20:57:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:57:50,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:50,262 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:50,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:57:50,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:50,463 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:50,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1344508799, now seen corresponding path program 1 times [2024-10-11 20:57:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:50,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620244753] [2024-10-11 20:57:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:50,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:50,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:50,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620244753] [2024-10-11 20:57:50,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620244753] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:50,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893991638] [2024-10-11 20:57:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:50,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:50,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:50,650 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:50,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:57:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:57:50,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:50,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893991638] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:51,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:57:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107596992] [2024-10-11 20:57:51,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:51,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:57:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:57:51,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:57:51,949 INFO L87 Difference]: Start difference. First operand 422 states and 550 transitions. Second operand has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:52,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:52,888 INFO L93 Difference]: Finished difference Result 684 states and 873 transitions. [2024-10-11 20:57:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:57:52,889 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 122 [2024-10-11 20:57:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:52,892 INFO L225 Difference]: With dead ends: 684 [2024-10-11 20:57:52,892 INFO L226 Difference]: Without dead ends: 683 [2024-10-11 20:57:52,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 20:57:52,893 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 365 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:52,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 525 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:57:52,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-11 20:57:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 565. [2024-10-11 20:57:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.2139830508474576) internal successors, (573), 482 states have internal predecessors, (573), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-11 20:57:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 735 transitions. [2024-10-11 20:57:52,938 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 735 transitions. Word has length 122 [2024-10-11 20:57:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:52,938 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 735 transitions. [2024-10-11 20:57:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:52,939 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 735 transitions. [2024-10-11 20:57:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 20:57:52,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:52,941 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-10-11 20:57:52,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:53,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:53,146 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:53,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:53,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1855422037, now seen corresponding path program 3 times [2024-10-11 20:57:53,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:53,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320390149] [2024-10-11 20:57:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:53,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:53,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986212081] [2024-10-11 20:57:53,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:57:53,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:53,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:53,167 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:53,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:57:53,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:57:53,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:53,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:57:53,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-10-11 20:57:53,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320390149] [2024-10-11 20:58:07,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986212081] [2024-10-11 20:58:07,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986212081] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:07,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:07,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:58:07,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559146559] [2024-10-11 20:58:07,965 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:07,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:58:07,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:07,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:58:07,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=242, Unknown=3, NotChecked=0, Total=306 [2024-10-11 20:58:07,966 INFO L87 Difference]: Start difference. First operand 565 states and 735 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:08,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:08,692 INFO L93 Difference]: Finished difference Result 578 states and 747 transitions. [2024-10-11 20:58:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:58:08,692 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 123 [2024-10-11 20:58:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:08,694 INFO L225 Difference]: With dead ends: 578 [2024-10-11 20:58:08,694 INFO L226 Difference]: Without dead ends: 577 [2024-10-11 20:58:08,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=160, Invalid=539, Unknown=3, NotChecked=0, Total=702 [2024-10-11 20:58:08,695 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 163 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:08,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 103 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:58:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-11 20:58:08,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 565. [2024-10-11 20:58:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.201271186440678) internal successors, (567), 482 states have internal predecessors, (567), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-11 20:58:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 729 transitions. [2024-10-11 20:58:08,752 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 729 transitions. Word has length 123 [2024-10-11 20:58:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:08,752 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 729 transitions. [2024-10-11 20:58:08,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 729 transitions. [2024-10-11 20:58:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 20:58:08,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:08,754 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:58:08,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:08,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:08,959 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:08,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:08,959 INFO L85 PathProgramCache]: Analyzing trace with hash -712197727, now seen corresponding path program 2 times [2024-10-11 20:58:08,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:08,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960535860] [2024-10-11 20:58:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:08,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189653723] [2024-10-11 20:58:08,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:58:08,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:08,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:08,983 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:08,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:58:09,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:58:09,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:09,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:58:09,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-10-11 20:58:09,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:09,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:09,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960535860] [2024-10-11 20:58:09,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:09,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189653723] [2024-10-11 20:58:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189653723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:09,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:58:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:58:09,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665848380] [2024-10-11 20:58:09,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:09,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:58:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:09,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:58:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:58:09,144 INFO L87 Difference]: Start difference. First operand 565 states and 729 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:09,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:09,292 INFO L93 Difference]: Finished difference Result 565 states and 729 transitions. [2024-10-11 20:58:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:58:09,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2024-10-11 20:58:09,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:09,295 INFO L225 Difference]: With dead ends: 565 [2024-10-11 20:58:09,295 INFO L226 Difference]: Without dead ends: 564 [2024-10-11 20:58:09,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:58:09,296 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 61 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:09,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 67 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:58:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-11 20:58:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 534. [2024-10-11 20:58:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 446 states have (on average 1.1726457399103138) internal successors, (523), 455 states have internal predecessors, (523), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-11 20:58:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 677 transitions. [2024-10-11 20:58:09,338 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 677 transitions. Word has length 124 [2024-10-11 20:58:09,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:09,338 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 677 transitions. [2024-10-11 20:58:09,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 677 transitions. [2024-10-11 20:58:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 20:58:09,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:09,339 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:58:09,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-11 20:58:09,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-11 20:58:09,540 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:09,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash 56039668, now seen corresponding path program 4 times [2024-10-11 20:58:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:09,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767358321] [2024-10-11 20:58:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:58:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:58:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:58:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:58:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767358321] [2024-10-11 20:58:09,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767358321] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755222731] [2024-10-11 20:58:09,942 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:58:09,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:09,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:09,944 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:09,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:58:09,993 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:58:09,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:09,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:58:09,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-11 20:58:11,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:20,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755222731] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:20,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-10-11 20:58:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422124070] [2024-10-11 20:58:20,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:20,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:58:20,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:58:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=772, Unknown=2, NotChecked=0, Total=870 [2024-10-11 20:58:20,655 INFO L87 Difference]: Start difference. First operand 534 states and 677 transitions. Second operand has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-10-11 20:58:25,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:25,235 INFO L93 Difference]: Finished difference Result 933 states and 1189 transitions. [2024-10-11 20:58:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-11 20:58:25,236 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 127 [2024-10-11 20:58:25,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:25,239 INFO L225 Difference]: With dead ends: 933 [2024-10-11 20:58:25,239 INFO L226 Difference]: Without dead ends: 927 [2024-10-11 20:58:25,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=883, Invalid=4967, Unknown=2, NotChecked=0, Total=5852 [2024-10-11 20:58:25,241 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 857 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:25,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 561 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 20:58:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-10-11 20:58:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 683. [2024-10-11 20:58:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 583 states have (on average 1.169811320754717) internal successors, (682), 592 states have internal predecessors, (682), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-11 20:58:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 860 transitions. [2024-10-11 20:58:25,299 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 860 transitions. Word has length 127 [2024-10-11 20:58:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:25,300 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 860 transitions. [2024-10-11 20:58:25,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-10-11 20:58:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 860 transitions. [2024-10-11 20:58:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 20:58:25,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:25,303 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 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, 1] [2024-10-11 20:58:25,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:25,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:58:25,510 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:25,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:25,511 INFO L85 PathProgramCache]: Analyzing trace with hash -880206758, now seen corresponding path program 1 times [2024-10-11 20:58:25,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:25,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2223536] [2024-10-11 20:58:25,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:25,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:25,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34732169] [2024-10-11 20:58:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:25,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:25,538 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:25,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:58:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:25,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:58:25,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-10-11 20:58:25,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:25,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:25,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2223536] [2024-10-11 20:58:25,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:25,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34732169] [2024-10-11 20:58:25,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34732169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:25,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:58:25,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:58:25,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115781912] [2024-10-11 20:58:25,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:25,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:58:25,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:58:25,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:58:25,792 INFO L87 Difference]: Start difference. First operand 683 states and 860 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:58:25,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:25,873 INFO L93 Difference]: Finished difference Result 683 states and 860 transitions. [2024-10-11 20:58:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:58:25,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2024-10-11 20:58:25,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:25,876 INFO L225 Difference]: With dead ends: 683 [2024-10-11 20:58:25,876 INFO L226 Difference]: Without dead ends: 681 [2024-10-11 20:58:25,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:58:25,880 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:25,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 59 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:58:25,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-11 20:58:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 534. [2024-10-11 20:58:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 452 states have (on average 1.1393805309734513) internal successors, (515), 459 states have internal predecessors, (515), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 661 transitions. [2024-10-11 20:58:25,934 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 661 transitions. Word has length 130 [2024-10-11 20:58:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:25,934 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 661 transitions. [2024-10-11 20:58:25,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:58:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 661 transitions. [2024-10-11 20:58:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 20:58:25,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:25,935 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:25,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:26,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:26,136 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:26,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash -536642963, now seen corresponding path program 1 times [2024-10-11 20:58:26,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130241016] [2024-10-11 20:58:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:26,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:26,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971762985] [2024-10-11 20:58:26,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:26,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:26,158 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:26,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:58:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:26,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:58:26,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:26,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:27,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130241016] [2024-10-11 20:58:27,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:27,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971762985] [2024-10-11 20:58:27,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971762985] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:27,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:27,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:58:27,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609245111] [2024-10-11 20:58:27,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:27,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:58:27,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:27,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:58:27,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:27,278 INFO L87 Difference]: Start difference. First operand 534 states and 661 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:27,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:27,810 INFO L93 Difference]: Finished difference Result 538 states and 665 transitions. [2024-10-11 20:58:27,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:58:27,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 137 [2024-10-11 20:58:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:27,812 INFO L225 Difference]: With dead ends: 538 [2024-10-11 20:58:27,812 INFO L226 Difference]: Without dead ends: 537 [2024-10-11 20:58:27,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:27,813 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 9 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:27,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 270 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:58:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-11 20:58:27,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2024-10-11 20:58:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1390728476821192) internal successors, (516), 460 states have internal predecessors, (516), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 662 transitions. [2024-10-11 20:58:27,859 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 662 transitions. Word has length 137 [2024-10-11 20:58:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:27,859 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 662 transitions. [2024-10-11 20:58:27,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2024-10-11 20:58:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:58:27,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:27,860 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:27,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:28,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:28,065 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:28,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:28,065 INFO L85 PathProgramCache]: Analyzing trace with hash 543937458, now seen corresponding path program 1 times [2024-10-11 20:58:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:28,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363787437] [2024-10-11 20:58:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:28,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:28,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724866229] [2024-10-11 20:58:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:28,087 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:28,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:58:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:28,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:28,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:28,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:29,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363787437] [2024-10-11 20:58:29,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724866229] [2024-10-11 20:58:29,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724866229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:29,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:29,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:58:29,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773845894] [2024-10-11 20:58:29,461 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:29,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:58:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:29,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:58:29,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:29,462 INFO L87 Difference]: Start difference. First operand 535 states and 662 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:30,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:30,125 INFO L93 Difference]: Finished difference Result 543 states and 669 transitions. [2024-10-11 20:58:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:58:30,126 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-10-11 20:58:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:30,128 INFO L225 Difference]: With dead ends: 543 [2024-10-11 20:58:30,128 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 20:58:30,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:58:30,128 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 32 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:30,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 323 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:58:30,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 20:58:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 535. [2024-10-11 20:58:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1346578366445916) internal successors, (514), 460 states have internal predecessors, (514), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 660 transitions. [2024-10-11 20:58:30,200 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 660 transitions. Word has length 138 [2024-10-11 20:58:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:30,200 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 660 transitions. [2024-10-11 20:58:30,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 660 transitions. [2024-10-11 20:58:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 20:58:30,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:30,202 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:30,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:30,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:58:30,406 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:30,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1074607603, now seen corresponding path program 3 times [2024-10-11 20:58:30,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:30,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479206015] [2024-10-11 20:58:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:30,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313307646] [2024-10-11 20:58:30,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:58:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:30,432 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:30,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:58:30,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:58:30,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:30,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:58:30,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 99 proven. 26 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-10-11 20:58:30,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:31,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:31,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479206015] [2024-10-11 20:58:31,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:31,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313307646] [2024-10-11 20:58:31,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313307646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:31,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:31,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:58:31,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093310263] [2024-10-11 20:58:31,218 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:31,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:58:31,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:31,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:58:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:31,220 INFO L87 Difference]: Start difference. First operand 535 states and 660 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 20:58:32,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:32,280 INFO L93 Difference]: Finished difference Result 543 states and 669 transitions. [2024-10-11 20:58:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:58:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 141 [2024-10-11 20:58:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:32,287 INFO L225 Difference]: With dead ends: 543 [2024-10-11 20:58:32,291 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 20:58:32,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:58:32,292 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 142 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:32,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 207 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:58:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 20:58:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 498. [2024-10-11 20:58:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 423 states have (on average 1.1063829787234043) internal successors, (468), 427 states have internal predecessors, (468), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-11 20:58:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 606 transitions. [2024-10-11 20:58:32,392 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 606 transitions. Word has length 141 [2024-10-11 20:58:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:32,393 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 606 transitions. [2024-10-11 20:58:32,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 20:58:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 606 transitions. [2024-10-11 20:58:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 20:58:32,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:32,394 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:32,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-11 20:58:32,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:32,595 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:32,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1046902548, now seen corresponding path program 1 times [2024-10-11 20:58:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:32,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564228484] [2024-10-11 20:58:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:32,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816882320] [2024-10-11 20:58:32,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:32,627 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:32,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:58:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 20:58:32,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:33,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:34,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564228484] [2024-10-11 20:58:34,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816882320] [2024-10-11 20:58:34,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816882320] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:34,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:34,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-10-11 20:58:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487743430] [2024-10-11 20:58:34,700 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:34,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:58:34,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:34,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:58:34,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:58:34,701 INFO L87 Difference]: Start difference. First operand 498 states and 606 transitions. Second operand has 18 states, 17 states have (on average 4.117647058823529) internal successors, (70), 18 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-10-11 20:58:35,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:35,576 INFO L93 Difference]: Finished difference Result 501 states and 608 transitions. [2024-10-11 20:58:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:58:35,576 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.117647058823529) internal successors, (70), 18 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 142 [2024-10-11 20:58:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:35,578 INFO L225 Difference]: With dead ends: 501 [2024-10-11 20:58:35,578 INFO L226 Difference]: Without dead ends: 498 [2024-10-11 20:58:35,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:58:35,579 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 35 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:35,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 358 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:58:35,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-10-11 20:58:35,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 496. [2024-10-11 20:58:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 421 states have (on average 1.1045130641330165) internal successors, (465), 425 states have internal predecessors, (465), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-11 20:58:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 603 transitions. [2024-10-11 20:58:35,625 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 603 transitions. Word has length 142 [2024-10-11 20:58:35,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:35,625 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 603 transitions. [2024-10-11 20:58:35,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.117647058823529) internal successors, (70), 18 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-10-11 20:58:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 603 transitions. [2024-10-11 20:58:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-11 20:58:35,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:35,627 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:35,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:58:35,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:58:35,830 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:35,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:35,830 INFO L85 PathProgramCache]: Analyzing trace with hash -7315607, now seen corresponding path program 2 times [2024-10-11 20:58:35,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040204901] [2024-10-11 20:58:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 20:58:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:58:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:36,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:36,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040204901] [2024-10-11 20:58:36,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040204901] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:36,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076708081] [2024-10-11 20:58:36,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:58:36,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:36,010 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:36,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:58:36,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:58:36,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:36,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:58:36,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-11 20:58:36,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:36,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076708081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:36,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:36,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-10-11 20:58:36,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715853850] [2024-10-11 20:58:36,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:36,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:58:36,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:36,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:58:36,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:58:36,394 INFO L87 Difference]: Start difference. First operand 496 states and 603 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:58:36,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:36,766 INFO L93 Difference]: Finished difference Result 589 states and 706 transitions. [2024-10-11 20:58:36,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:58:36,766 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 161 [2024-10-11 20:58:36,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:36,768 INFO L225 Difference]: With dead ends: 589 [2024-10-11 20:58:36,768 INFO L226 Difference]: Without dead ends: 496 [2024-10-11 20:58:36,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:58:36,769 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 101 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:36,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 282 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:58:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-10-11 20:58:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 432. [2024-10-11 20:58:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 365 states have (on average 1.1013698630136985) internal successors, (402), 369 states have internal predecessors, (402), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 20:58:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2024-10-11 20:58:36,812 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 161 [2024-10-11 20:58:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:36,813 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2024-10-11 20:58:36,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:58:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2024-10-11 20:58:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-11 20:58:36,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:36,814 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:36,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:37,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:58:37,015 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:37,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:37,015 INFO L85 PathProgramCache]: Analyzing trace with hash 727122357, now seen corresponding path program 3 times [2024-10-11 20:58:37,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:37,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569946962] [2024-10-11 20:58:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:37,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:37,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569946962] [2024-10-11 20:58:37,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569946962] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:37,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366884414] [2024-10-11 20:58:37,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:58:37,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:37,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:37,226 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:37,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:58:37,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:58:37,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:37,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:58:37,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-10-11 20:58:37,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-10-11 20:58:38,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366884414] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:38,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:38,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 16 [2024-10-11 20:58:38,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017868395] [2024-10-11 20:58:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:38,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:58:38,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:58:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:38,214 INFO L87 Difference]: Start difference. First operand 432 states and 524 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:38,937 INFO L93 Difference]: Finished difference Result 435 states and 527 transitions. [2024-10-11 20:58:38,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:58:38,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 161 [2024-10-11 20:58:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:38,939 INFO L225 Difference]: With dead ends: 435 [2024-10-11 20:58:38,939 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 20:58:38,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 351 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:58:38,940 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 65 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:38,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 62 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:58:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 20:58:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 429. [2024-10-11 20:58:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 363 states have (on average 1.0991735537190082) internal successors, (399), 366 states have internal predecessors, (399), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 20:58:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 521 transitions. [2024-10-11 20:58:39,028 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 521 transitions. Word has length 161 [2024-10-11 20:58:39,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:39,028 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 521 transitions. [2024-10-11 20:58:39,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 521 transitions. [2024-10-11 20:58:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 20:58:39,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:39,033 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:39,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:39,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-11 20:58:39,234 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:39,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:39,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1315080041, now seen corresponding path program 1 times [2024-10-11 20:58:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:39,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796514761] [2024-10-11 20:58:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:39,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:39,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796514761] [2024-10-11 20:58:39,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796514761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:39,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771274932] [2024-10-11 20:58:39,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:39,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:39,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:39,432 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:39,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:58:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:39,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:39,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:39,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771274932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:40,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 18 [2024-10-11 20:58:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989368729] [2024-10-11 20:58:40,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:40,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:58:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:40,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:58:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:58:40,102 INFO L87 Difference]: Start difference. First operand 429 states and 521 transitions. Second operand has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-10-11 20:58:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:40,846 INFO L93 Difference]: Finished difference Result 512 states and 617 transitions. [2024-10-11 20:58:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:58:40,847 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 163 [2024-10-11 20:58:40,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:40,849 INFO L225 Difference]: With dead ends: 512 [2024-10-11 20:58:40,849 INFO L226 Difference]: Without dead ends: 507 [2024-10-11 20:58:40,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:58:40,849 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 50 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:40,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 548 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:58:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-10-11 20:58:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 439. [2024-10-11 20:58:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 371 states have (on average 1.0970350404312668) internal successors, (407), 374 states have internal predecessors, (407), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:58:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 533 transitions. [2024-10-11 20:58:40,896 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 533 transitions. Word has length 163 [2024-10-11 20:58:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:40,896 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 533 transitions. [2024-10-11 20:58:40,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-10-11 20:58:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 533 transitions. [2024-10-11 20:58:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 20:58:40,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:40,897 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:40,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:41,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:41,098 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:41,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:41,099 INFO L85 PathProgramCache]: Analyzing trace with hash -566163408, now seen corresponding path program 2 times [2024-10-11 20:58:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353319236] [2024-10-11 20:58:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:58:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:58:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:58:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 20:58:41,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353319236] [2024-10-11 20:58:41,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353319236] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775291747] [2024-10-11 20:58:41,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:58:41,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:41,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:41,307 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:41,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:58:41,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:58:41,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:41,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:58:41,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-10-11 20:58:41,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 50 proven. 40 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-10-11 20:58:42,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775291747] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:58:42,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:58:42,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 10] total 26 [2024-10-11 20:58:42,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850384814] [2024-10-11 20:58:42,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:42,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 20:58:42,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:42,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 20:58:42,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:58:42,359 INFO L87 Difference]: Start difference. First operand 439 states and 533 transitions. Second operand has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 26 states have internal predecessors, (204), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-10-11 20:58:43,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:43,492 INFO L93 Difference]: Finished difference Result 495 states and 596 transitions. [2024-10-11 20:58:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:58:43,493 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 26 states have internal predecessors, (204), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) Word has length 163 [2024-10-11 20:58:43,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:43,494 INFO L225 Difference]: With dead ends: 495 [2024-10-11 20:58:43,494 INFO L226 Difference]: Without dead ends: 245 [2024-10-11 20:58:43,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=270, Invalid=1290, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 20:58:43,496 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 117 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:43,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 432 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:58:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-10-11 20:58:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 224. [2024-10-11 20:58:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 180 states have (on average 1.0777777777777777) internal successors, (194), 183 states have internal predecessors, (194), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-11 20:58:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 272 transitions. [2024-10-11 20:58:43,541 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 272 transitions. Word has length 163 [2024-10-11 20:58:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:43,541 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 272 transitions. [2024-10-11 20:58:43,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.846153846153846) internal successors, (204), 26 states have internal predecessors, (204), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-10-11 20:58:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 272 transitions. [2024-10-11 20:58:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 20:58:43,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:43,543 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:43,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:43,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 20:58:43,747 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:43,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:43,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1985006600, now seen corresponding path program 1 times [2024-10-11 20:58:43,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:43,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809611963] [2024-10-11 20:58:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:43,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:44,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:44,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809611963] [2024-10-11 20:58:44,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809611963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:44,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460496667] [2024-10-11 20:58:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:44,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:44,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:44,093 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:44,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:58:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:44,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:44,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:44,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:51,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460496667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:58:51,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:58:51,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-10-11 20:58:51,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770327428] [2024-10-11 20:58:51,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:51,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-11 20:58:51,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-11 20:58:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:58:51,097 INFO L87 Difference]: Start difference. First operand 224 states and 272 transitions. Second operand has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-10-11 20:58:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:55,710 INFO L93 Difference]: Finished difference Result 630 states and 763 transitions. [2024-10-11 20:58:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-11 20:58:55,710 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 168 [2024-10-11 20:58:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:55,715 INFO L225 Difference]: With dead ends: 630 [2024-10-11 20:58:55,715 INFO L226 Difference]: Without dead ends: 629 [2024-10-11 20:58:55,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-10-11 20:58:55,716 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 578 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:55,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 767 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 20:58:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-10-11 20:58:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 472. [2024-10-11 20:58:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 396 states have (on average 1.0883838383838385) internal successors, (431), 399 states have internal predecessors, (431), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:58:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 573 transitions. [2024-10-11 20:58:55,881 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 573 transitions. Word has length 168 [2024-10-11 20:58:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:55,882 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 573 transitions. [2024-10-11 20:58:55,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-10-11 20:58:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 573 transitions. [2024-10-11 20:58:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 20:58:55,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:55,886 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:55,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:58:56,088 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:56,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -561390565, now seen corresponding path program 1 times [2024-10-11 20:58:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610554575] [2024-10-11 20:58:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:56,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:56,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610554575] [2024-10-11 20:58:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610554575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:56,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658210103] [2024-10-11 20:58:56,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:56,537 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:58:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:56,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:58:56,601 INFO L278 TraceCheckSpWp]: Computing forward predicates...