./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:35:29,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:35:29,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:35:29,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:35:29,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:35:29,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:35:29,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:35:29,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:35:29,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:35:29,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:35:29,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:35:29,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:35:29,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:35:29,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:35:29,930 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:35:29,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:35:29,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:35:29,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:35:29,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:35:29,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:35:29,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:35:29,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:35:29,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:35:29,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:35:29,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:35:29,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:35:29,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:35:29,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:35:29,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:35:29,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:35:29,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:35:29,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:35:29,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:35:29,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:35:29,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:35:29,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:35:29,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:35:29,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:35:29,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:35:29,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:35:29,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:35:29,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:35:29,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:35:29,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:35:29,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2024-11-09 11:35:30,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:35:30,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:35:30,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:35:30,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:35:30,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:35:30,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-09 11:35:31,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:35:31,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:35:31,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-09 11:35:31,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f30c9c31/de9a6aa82a0e494f8d5acd9a6a26bed1/FLAGfd37191ab [2024-11-09 11:35:32,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f30c9c31/de9a6aa82a0e494f8d5acd9a6a26bed1 [2024-11-09 11:35:32,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:35:32,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:35:32,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:35:32,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:35:32,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:35:32,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311b2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32, skipping insertion in model container [2024-11-09 11:35:32,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:35:32,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:35:32,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:35:32,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:35:32,458 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:35:32,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32 WrapperNode [2024-11-09 11:35:32,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:35:32,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:35:32,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:35:32,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:35:32,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,533 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-11-09 11:35:32,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:35:32,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:35:32,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:35:32,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:35:32,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,573 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:35:32,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:35:32,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:35:32,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:35:32,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:35:32,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (1/1) ... [2024-11-09 11:35:32,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:35:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:32,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:35:32,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:35:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:35:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:35:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:35:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:35:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:35:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:35:32,755 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:35:32,758 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:35:33,688 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-09 11:35:33,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:35:33,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:35:33,720 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:35:33,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:35:33 BoogieIcfgContainer [2024-11-09 11:35:33,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:35:33,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:35:33,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:35:33,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:35:33,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:35:32" (1/3) ... [2024-11-09 11:35:33,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e21fb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:35:33, skipping insertion in model container [2024-11-09 11:35:33,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:32" (2/3) ... [2024-11-09 11:35:33,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e21fb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:35:33, skipping insertion in model container [2024-11-09 11:35:33,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:35:33" (3/3) ... [2024-11-09 11:35:33,731 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound2.c [2024-11-09 11:35:33,747 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:35:33,747 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-09 11:35:33,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:35:33,816 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;@4791a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:35:33,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-09 11:35:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:35:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:35:33,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:33,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:35:33,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:33,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 11:35:33,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:33,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907896267] [2024-11-09 11:35:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:33,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:34,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907896267] [2024-11-09 11:35:34,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907896267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:34,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:34,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:34,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629138541] [2024-11-09 11:35:34,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:34,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:34,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:34,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:34,080 INFO L87 Difference]: Start difference. First operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:34,199 INFO L93 Difference]: Finished difference Result 601 states and 646 transitions. [2024-11-09 11:35:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:34,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:35:34,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:34,218 INFO L225 Difference]: With dead ends: 601 [2024-11-09 11:35:34,219 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 11:35:34,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:34,230 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 307 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:34,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 602 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:35:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 11:35:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-09 11:35:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 148 states have (on average 1.8986486486486487) internal successors, (281), 279 states have internal predecessors, (281), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:35:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 301 transitions. [2024-11-09 11:35:34,304 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 301 transitions. Word has length 4 [2024-11-09 11:35:34,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:34,304 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 301 transitions. [2024-11-09 11:35:34,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 301 transitions. [2024-11-09 11:35:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:35:34,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:34,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:35:34,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:35:34,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:34,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-09 11:35:34,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:34,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195165120] [2024-11-09 11:35:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:34,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:34,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195165120] [2024-11-09 11:35:34,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195165120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:34,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:34,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:34,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787328704] [2024-11-09 11:35:34,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:34,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:34,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:34,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:34,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:34,368 INFO L87 Difference]: Start difference. First operand 291 states and 301 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:34,424 INFO L93 Difference]: Finished difference Result 471 states and 485 transitions. [2024-11-09 11:35:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:35:34,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:35:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:34,428 INFO L225 Difference]: With dead ends: 471 [2024-11-09 11:35:34,428 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:35:34,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:34,430 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 3 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:34,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 887 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:35:34,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:35:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-09 11:35:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 152 states have (on average 1.875) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:35:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-11-09 11:35:34,453 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 5 [2024-11-09 11:35:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:34,454 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-11-09 11:35:34,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-11-09 11:35:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:35:34,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:34,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:34,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:35:34,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:34,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:34,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-09 11:35:34,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:34,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880361715] [2024-11-09 11:35:34,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:34,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:34,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880361715] [2024-11-09 11:35:34,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880361715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:34,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:34,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:34,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882694921] [2024-11-09 11:35:34,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:34,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:34,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:34,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:34,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:34,526 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:34,662 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-11-09 11:35:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:34,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:35:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:34,666 INFO L225 Difference]: With dead ends: 563 [2024-11-09 11:35:34,667 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 11:35:34,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:34,671 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 237 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:34,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 596 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:34,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 11:35:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-11-09 11:35:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 205 states have (on average 1.7853658536585366) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:35:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-11-09 11:35:34,710 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 7 [2024-11-09 11:35:34,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:34,711 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-11-09 11:35:34,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:34,711 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-11-09 11:35:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:35:34,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:34,712 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:34,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:35:34,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:34,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash -133892695, now seen corresponding path program 1 times [2024-11-09 11:35:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479520108] [2024-11-09 11:35:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:34,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:34,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466149220] [2024-11-09 11:35:34,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:34,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:34,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:34,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:34,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:35:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:34,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:34,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:35,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:35,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479520108] [2024-11-09 11:35:35,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466149220] [2024-11-09 11:35:35,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466149220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:35,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:35,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:35,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782329627] [2024-11-09 11:35:35,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:35,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:35,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:35,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:35,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:35,028 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:35,598 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-11-09 11:35:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-11-09 11:35:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:35,601 INFO L225 Difference]: With dead ends: 513 [2024-11-09 11:35:35,601 INFO L226 Difference]: Without dead ends: 458 [2024-11-09 11:35:35,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:35,605 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 134 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:35,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 329 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-09 11:35:35,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-11-09 11:35:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.6456140350877193) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-11-09 11:35:35,625 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 40 [2024-11-09 11:35:35,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:35,626 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-11-09 11:35:35,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-11-09 11:35:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:35:35,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:35,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:35,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:35:35,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:35,829 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:35,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash 178141835, now seen corresponding path program 1 times [2024-11-09 11:35:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556984678] [2024-11-09 11:35:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:35,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:35,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556984678] [2024-11-09 11:35:35,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556984678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:35,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:35,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:35,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850789496] [2024-11-09 11:35:35,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:35,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:35,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:35,960 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:36,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:36,494 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-11-09 11:35:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:36,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2024-11-09 11:35:36,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:36,497 INFO L225 Difference]: With dead ends: 471 [2024-11-09 11:35:36,497 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:36,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:36,498 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:36,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 530 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5649122807017544) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-11-09 11:35:36,512 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 42 [2024-11-09 11:35:36,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:36,513 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-11-09 11:35:36,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-11-09 11:35:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:35:36,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:36,514 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:36,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:35:36,514 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:36,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash -604385427, now seen corresponding path program 1 times [2024-11-09 11:35:36,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615491851] [2024-11-09 11:35:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:36,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:36,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:36,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615491851] [2024-11-09 11:35:36,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615491851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:36,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:36,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669933254] [2024-11-09 11:35:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:36,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:36,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:36,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:36,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:36,655 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:37,930 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-11-09 11:35:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:37,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-09 11:35:37,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:37,933 INFO L225 Difference]: With dead ends: 450 [2024-11-09 11:35:37,933 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:37,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:37,934 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:37,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 416 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:35:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5578947368421052) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-11-09 11:35:37,948 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 44 [2024-11-09 11:35:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:37,948 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-11-09 11:35:37,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-11-09 11:35:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:35:37,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:37,950 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:37,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:35:37,950 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:37,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1556078956, now seen corresponding path program 1 times [2024-11-09 11:35:37,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:37,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895706386] [2024-11-09 11:35:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:38,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:38,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895706386] [2024-11-09 11:35:38,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895706386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:38,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:38,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:38,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961741919] [2024-11-09 11:35:38,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:38,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:38,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:38,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:38,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:38,052 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:38,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:38,675 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-11-09 11:35:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:38,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 45 [2024-11-09 11:35:38,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:38,678 INFO L225 Difference]: With dead ends: 450 [2024-11-09 11:35:38,678 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:38,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:38,679 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 255 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:38,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 393 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:35:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:38,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.550877192982456) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-11-09 11:35:38,703 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 45 [2024-11-09 11:35:38,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:38,704 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-11-09 11:35:38,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-11-09 11:35:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:35:38,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:38,705 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:38,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:35:38,706 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:38,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1566054095, now seen corresponding path program 1 times [2024-11-09 11:35:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609893127] [2024-11-09 11:35:38,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:38,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932356807] [2024-11-09 11:35:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:38,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:38,729 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:38,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:35:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:38,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:35:38,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:39,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:39,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:39,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609893127] [2024-11-09 11:35:39,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:39,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932356807] [2024-11-09 11:35:39,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932356807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:39,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:39,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:39,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157433325] [2024-11-09 11:35:39,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:39,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:39,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:39,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:39,021 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:39,534 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-11-09 11:35:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:39,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-09 11:35:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:39,536 INFO L225 Difference]: With dead ends: 455 [2024-11-09 11:35:39,537 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 11:35:39,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:39,538 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 112 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:39,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 355 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 11:35:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-11-09 11:35:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5243055555555556) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-11-09 11:35:39,552 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 48 [2024-11-09 11:35:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:39,552 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-11-09 11:35:39,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-11-09 11:35:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:35:39,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:39,553 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:39,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:39,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 11:35:39,757 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:39,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1303036584, now seen corresponding path program 1 times [2024-11-09 11:35:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:39,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706013767] [2024-11-09 11:35:39,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:39,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:39,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:39,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:39,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:39,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706013767] [2024-11-09 11:35:39,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706013767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:39,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:39,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:39,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795693055] [2024-11-09 11:35:39,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:39,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:39,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:39,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:39,865 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:40,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:40,574 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-11-09 11:35:40,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:40,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 49 [2024-11-09 11:35:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:40,576 INFO L225 Difference]: With dead ends: 454 [2024-11-09 11:35:40,576 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:40,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:40,577 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 136 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:40,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 486 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:35:40,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-11-09 11:35:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5034722222222223) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-11-09 11:35:40,594 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 49 [2024-11-09 11:35:40,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:40,594 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-11-09 11:35:40,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-11-09 11:35:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:35:40,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:40,596 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:40,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:35:40,596 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:40,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash -528933860, now seen corresponding path program 1 times [2024-11-09 11:35:40,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:40,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940249054] [2024-11-09 11:35:40,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:40,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:40,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:40,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:40,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940249054] [2024-11-09 11:35:40,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940249054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:40,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:40,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:40,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283214795] [2024-11-09 11:35:40,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:40,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:40,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:40,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:40,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:40,774 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:41,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:41,484 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-11-09 11:35:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:41,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 53 [2024-11-09 11:35:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:41,487 INFO L225 Difference]: With dead ends: 452 [2024-11-09 11:35:41,487 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 11:35:41,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:41,488 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 119 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:41,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:35:41,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 11:35:41,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-11-09 11:35:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 225 states have (on average 1.6177777777777778) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-11-09 11:35:41,502 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 53 [2024-11-09 11:35:41,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:41,503 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-11-09 11:35:41,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-11-09 11:35:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:35:41,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:41,507 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:41,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:35:41,508 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:41,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:41,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1162037022, now seen corresponding path program 1 times [2024-11-09 11:35:41,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:41,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151032731] [2024-11-09 11:35:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:41,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151032731] [2024-11-09 11:35:41,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151032731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:41,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:41,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129528152] [2024-11-09 11:35:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:41,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:41,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:41,651 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:42,083 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-11-09 11:35:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:42,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-11-09 11:35:42,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:42,085 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:35:42,085 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:42,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:42,086 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:42,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 158 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:35:42,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-09 11:35:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-11-09 11:35:42,097 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 85 [2024-11-09 11:35:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:42,097 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-11-09 11:35:42,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-11-09 11:35:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:35:42,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:42,099 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:42,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 11:35:42,099 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:42,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:42,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1663409478, now seen corresponding path program 1 times [2024-11-09 11:35:42,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:42,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502853823] [2024-11-09 11:35:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:42,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:42,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502853823] [2024-11-09 11:35:42,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502853823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:42,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:42,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:42,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753820267] [2024-11-09 11:35:42,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:42,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:42,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:42,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:42,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:42,181 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:42,522 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-11-09 11:35:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:42,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-09 11:35:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:42,524 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:35:42,525 INFO L226 Difference]: Without dead ends: 374 [2024-11-09 11:35:42,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:42,525 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 24 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:42,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 401 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:35:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-09 11:35:42,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-09 11:35:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 227 states have (on average 1.5814977973568283) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-11-09 11:35:42,536 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 86 [2024-11-09 11:35:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:42,536 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-11-09 11:35:42,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-11-09 11:35:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:35:42,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:42,540 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:42,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:35:42,541 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:42,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:42,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1018158765, now seen corresponding path program 1 times [2024-11-09 11:35:42,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:42,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695325956] [2024-11-09 11:35:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 11:35:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:42,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:42,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695325956] [2024-11-09 11:35:42,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695325956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:42,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:42,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:42,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22917504] [2024-11-09 11:35:42,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:42,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:42,642 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:42,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:42,918 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-11-09 11:35:42,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:42,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2024-11-09 11:35:42,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:42,920 INFO L225 Difference]: With dead ends: 370 [2024-11-09 11:35:42,920 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:42,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:42,921 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 194 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:42,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 266 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:35:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:42,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-09 11:35:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.5638766519823788) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-11-09 11:35:42,931 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 88 [2024-11-09 11:35:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:42,932 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-11-09 11:35:42,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-11-09 11:35:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:35:42,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:42,933 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:42,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:35:42,933 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:42,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1498150823, now seen corresponding path program 1 times [2024-11-09 11:35:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:42,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298547958] [2024-11-09 11:35:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 11:35:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:43,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:43,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298547958] [2024-11-09 11:35:43,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298547958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:43,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:43,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:35:43,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751439053] [2024-11-09 11:35:43,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:43,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:43,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:43,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:43,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:43,016 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:35:43,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:43,254 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-11-09 11:35:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:43,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (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 89 [2024-11-09 11:35:43,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:43,256 INFO L225 Difference]: With dead ends: 372 [2024-11-09 11:35:43,256 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:43,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:43,257 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:43,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 761 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:35:43,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:43,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-09 11:35:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 225 states have (on average 1.56) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-11-09 11:35:43,269 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 89 [2024-11-09 11:35:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:43,269 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-11-09 11:35:43,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:35:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-11-09 11:35:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:35:43,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:43,271 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:43,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:35:43,271 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:43,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash -700865343, now seen corresponding path program 1 times [2024-11-09 11:35:43,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:43,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690736707] [2024-11-09 11:35:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:43,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690736707] [2024-11-09 11:35:43,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690736707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:43,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129818814] [2024-11-09 11:35:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:43,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:43,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:43,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:35:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:35:43,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:43,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129818814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:43,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:35:43,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:35:43,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784013320] [2024-11-09 11:35:43,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:43,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:43,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:43,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:43,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:35:43,555 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:43,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:43,655 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2024-11-09 11:35:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:35:43,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-09 11:35:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:43,658 INFO L225 Difference]: With dead ends: 535 [2024-11-09 11:35:43,658 INFO L226 Difference]: Without dead ends: 534 [2024-11-09 11:35:43,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:35:43,659 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:43,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:43,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-09 11:35:43,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2024-11-09 11:35:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 296 states have (on average 1.6283783783783783) internal successors, (482), 418 states have internal predecessors, (482), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:35:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2024-11-09 11:35:43,679 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2024-11-09 11:35:43,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:43,680 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2024-11-09 11:35:43,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2024-11-09 11:35:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:35:43,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:43,681 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:43,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:35:43,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:43,882 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:43,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash 778272323, now seen corresponding path program 1 times [2024-11-09 11:35:43,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:43,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668147642] [2024-11-09 11:35:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:43,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:43,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668147642] [2024-11-09 11:35:43,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668147642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:43,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812899889] [2024-11-09 11:35:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:43,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:43,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:43,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:43,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:35:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:35:44,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:44,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:44,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812899889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:44,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:35:44,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:35:44,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132767582] [2024-11-09 11:35:44,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:44,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:44,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:44,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:44,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:44,143 INFO L87 Difference]: Start difference. First operand 442 states and 526 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:44,279 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2024-11-09 11:35:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:44,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 91 [2024-11-09 11:35:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:44,283 INFO L225 Difference]: With dead ends: 444 [2024-11-09 11:35:44,283 INFO L226 Difference]: Without dead ends: 436 [2024-11-09 11:35:44,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:44,284 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:44,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-09 11:35:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2024-11-09 11:35:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 296 states have (on average 1.5945945945945945) internal successors, (472), 410 states have internal predecessors, (472), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:35:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2024-11-09 11:35:44,298 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2024-11-09 11:35:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:44,298 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2024-11-09 11:35:44,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2024-11-09 11:35:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:35:44,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:44,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:44,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:35:44,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:35:44,500 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:44,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:44,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1643361713, now seen corresponding path program 1 times [2024-11-09 11:35:44,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:44,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296085131] [2024-11-09 11:35:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:44,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:44,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296085131] [2024-11-09 11:35:44,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296085131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523959387] [2024-11-09 11:35:44,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:44,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:44,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:44,586 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:44,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:35:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:44,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:35:44,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:44,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:44,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523959387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:44,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:44,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:35:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28358574] [2024-11-09 11:35:44,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:44,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:35:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:44,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:35:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:35:44,850 INFO L87 Difference]: Start difference. First operand 434 states and 516 transitions. Second operand has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:35:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:45,070 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2024-11-09 11:35:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:35:45,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2024-11-09 11:35:45,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:45,074 INFO L225 Difference]: With dead ends: 779 [2024-11-09 11:35:45,074 INFO L226 Difference]: Without dead ends: 771 [2024-11-09 11:35:45,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:35:45,075 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1031 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:45,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 734 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:35:45,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-09 11:35:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2024-11-09 11:35:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 367 states have (on average 1.561307901907357) internal successors, (573), 476 states have internal predecessors, (573), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:35:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2024-11-09 11:35:45,091 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2024-11-09 11:35:45,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:45,092 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2024-11-09 11:35:45,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:35:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2024-11-09 11:35:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:35:45,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:45,093 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:45,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:45,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:35:45,298 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:45,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:45,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1996328184, now seen corresponding path program 1 times [2024-11-09 11:35:45,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:45,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691620433] [2024-11-09 11:35:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:35:45,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:45,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691620433] [2024-11-09 11:35:45,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691620433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:45,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:45,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:45,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665711251] [2024-11-09 11:35:45,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:45,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:45,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:45,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:45,411 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:45,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:45,546 INFO L93 Difference]: Finished difference Result 505 states and 627 transitions. [2024-11-09 11:35:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:45,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 101 [2024-11-09 11:35:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:45,549 INFO L225 Difference]: With dead ends: 505 [2024-11-09 11:35:45,551 INFO L226 Difference]: Without dead ends: 503 [2024-11-09 11:35:45,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:45,552 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 170 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:45,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 252 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-09 11:35:45,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-09 11:35:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 367 states have (on average 1.550408719346049) internal successors, (569), 474 states have internal predecessors, (569), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:35:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 623 transitions. [2024-11-09 11:35:45,569 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 623 transitions. Word has length 101 [2024-11-09 11:35:45,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:45,570 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 623 transitions. [2024-11-09 11:35:45,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 623 transitions. [2024-11-09 11:35:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:35:45,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:45,571 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:45,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:35:45,572 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:45,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:45,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1756631742, now seen corresponding path program 1 times [2024-11-09 11:35:45,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762850011] [2024-11-09 11:35:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:45,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762850011] [2024-11-09 11:35:45,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762850011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186917878] [2024-11-09 11:35:45,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:45,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:45,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:45,674 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:45,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:35:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:45,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:45,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:45,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:45,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186917878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:45,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:45,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-09 11:35:45,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689018144] [2024-11-09 11:35:45,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:45,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:35:45,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:45,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:35:45,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:35:45,943 INFO L87 Difference]: Start difference. First operand 503 states and 623 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 11:35:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:46,025 INFO L93 Difference]: Finished difference Result 672 states and 792 transitions. [2024-11-09 11:35:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:35:46,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 102 [2024-11-09 11:35:46,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:46,027 INFO L225 Difference]: With dead ends: 672 [2024-11-09 11:35:46,027 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 11:35:46,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:35:46,028 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 29 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:46,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1069 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:46,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 11:35:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2024-11-09 11:35:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 370 states have (on average 1.5432432432432432) internal successors, (571), 477 states have internal predecessors, (571), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:35:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 625 transitions. [2024-11-09 11:35:46,045 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 625 transitions. Word has length 102 [2024-11-09 11:35:46,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:46,045 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 625 transitions. [2024-11-09 11:35:46,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 11:35:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 625 transitions. [2024-11-09 11:35:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 11:35:46,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:46,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:46,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:46,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:46,248 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:46,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1885573092, now seen corresponding path program 1 times [2024-11-09 11:35:46,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:46,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797857506] [2024-11-09 11:35:46,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:46,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117164873] [2024-11-09 11:35:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:46,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:46,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:46,274 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:46,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:35:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:46,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:46,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:46,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:46,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:46,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797857506] [2024-11-09 11:35:46,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:46,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117164873] [2024-11-09 11:35:46,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117164873] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:46,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:35:46,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 11:35:46,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596344656] [2024-11-09 11:35:46,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:46,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:35:46,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:46,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:35:46,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:35:46,623 INFO L87 Difference]: Start difference. First operand 507 states and 625 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:35:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:46,922 INFO L93 Difference]: Finished difference Result 863 states and 959 transitions. [2024-11-09 11:35:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:35:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-11-09 11:35:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:46,925 INFO L225 Difference]: With dead ends: 863 [2024-11-09 11:35:46,925 INFO L226 Difference]: Without dead ends: 857 [2024-11-09 11:35:46,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:35:46,926 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 942 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:46,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1242 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:35:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-09 11:35:46,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 507. [2024-11-09 11:35:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 374 states have (on average 1.5133689839572193) internal successors, (566), 476 states have internal predecessors, (566), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:35:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2024-11-09 11:35:46,949 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 103 [2024-11-09 11:35:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:46,951 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2024-11-09 11:35:46,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:35:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2024-11-09 11:35:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:35:46,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:46,953 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:46,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:35:47,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:47,154 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:47,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:47,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1519996851, now seen corresponding path program 1 times [2024-11-09 11:35:47,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:47,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134522828] [2024-11-09 11:35:47,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:47,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:47,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111490776] [2024-11-09 11:35:47,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:47,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:47,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:47,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:47,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:35:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:47,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:35:47,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:35:47,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:47,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:47,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134522828] [2024-11-09 11:35:47,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:47,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111490776] [2024-11-09 11:35:47,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111490776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:47,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:47,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226621480] [2024-11-09 11:35:47,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:47,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:47,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:47,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:47,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:47,364 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:35:47,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:47,754 INFO L93 Difference]: Finished difference Result 508 states and 622 transitions. [2024-11-09 11:35:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:47,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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 105 [2024-11-09 11:35:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:47,757 INFO L225 Difference]: With dead ends: 508 [2024-11-09 11:35:47,757 INFO L226 Difference]: Without dead ends: 507 [2024-11-09 11:35:47,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:47,758 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:47,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:35:47,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-09 11:35:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2024-11-09 11:35:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 374 states have (on average 1.5106951871657754) internal successors, (565), 476 states have internal predecessors, (565), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:35:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 621 transitions. [2024-11-09 11:35:47,779 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 621 transitions. Word has length 105 [2024-11-09 11:35:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:47,779 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 621 transitions. [2024-11-09 11:35:47,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:35:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 621 transitions. [2024-11-09 11:35:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:35:47,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:47,780 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:47,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:35:47,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:35:47,981 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:47,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:47,982 INFO L85 PathProgramCache]: Analyzing trace with hash -124737670, now seen corresponding path program 1 times [2024-11-09 11:35:47,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:47,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172360646] [2024-11-09 11:35:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:47,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:48,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785301687] [2024-11-09 11:35:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:48,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:48,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:48,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:35:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:48,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:48,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:35:48,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:48,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:48,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172360646] [2024-11-09 11:35:48,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:48,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785301687] [2024-11-09 11:35:48,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785301687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:48,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:48,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:48,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357486258] [2024-11-09 11:35:48,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:48,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:48,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:48,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:48,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:48,324 INFO L87 Difference]: Start difference. First operand 507 states and 621 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:35:48,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:48,928 INFO L93 Difference]: Finished difference Result 508 states and 621 transitions. [2024-11-09 11:35:48,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:48,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 106 [2024-11-09 11:35:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:48,931 INFO L225 Difference]: With dead ends: 508 [2024-11-09 11:35:48,931 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 11:35:48,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:48,932 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:48,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:35:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 11:35:48,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-09 11:35:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 356 states have (on average 1.5337078651685394) internal successors, (546), 458 states have internal predecessors, (546), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:35:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 598 transitions. [2024-11-09 11:35:48,949 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 598 transitions. Word has length 106 [2024-11-09 11:35:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:48,950 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 598 transitions. [2024-11-09 11:35:48,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:35:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 598 transitions. [2024-11-09 11:35:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:35:48,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:48,952 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:48,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:35:49,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:49,154 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:49,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash 263146541, now seen corresponding path program 1 times [2024-11-09 11:35:49,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:49,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915102869] [2024-11-09 11:35:49,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:49,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958752537] [2024-11-09 11:35:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:49,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:49,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:49,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:35:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:49,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:49,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:49,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:49,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:49,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915102869] [2024-11-09 11:35:49,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:49,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958752537] [2024-11-09 11:35:49,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958752537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:49,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:49,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:35:49,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165996720] [2024-11-09 11:35:49,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:49,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:49,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:49,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:49,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:49,531 INFO L87 Difference]: Start difference. First operand 487 states and 598 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:35:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:50,198 INFO L93 Difference]: Finished difference Result 487 states and 598 transitions. [2024-11-09 11:35:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:35:50,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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 124 [2024-11-09 11:35:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:50,200 INFO L225 Difference]: With dead ends: 487 [2024-11-09 11:35:50,200 INFO L226 Difference]: Without dead ends: 477 [2024-11-09 11:35:50,201 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 [2024-11-09 11:35:50,201 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:50,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 295 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:35:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-09 11:35:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-11-09 11:35:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 356 states have (on average 1.4831460674157304) internal successors, (528), 448 states have internal predecessors, (528), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:35:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 580 transitions. [2024-11-09 11:35:50,219 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 580 transitions. Word has length 124 [2024-11-09 11:35:50,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:50,219 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 580 transitions. [2024-11-09 11:35:50,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:35:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 580 transitions. [2024-11-09 11:35:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:35:50,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:50,221 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:50,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:50,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 11:35:50,421 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:50,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:50,422 INFO L85 PathProgramCache]: Analyzing trace with hash -432391732, now seen corresponding path program 1 times [2024-11-09 11:35:50,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:50,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331723595] [2024-11-09 11:35:50,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:50,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830125680] [2024-11-09 11:35:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:50,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:50,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:50,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:50,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:35:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:50,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:35:50,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:50,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:51,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331723595] [2024-11-09 11:35:51,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830125680] [2024-11-09 11:35:51,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830125680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:51,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:35:51,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:35:51,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113749704] [2024-11-09 11:35:51,875 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:51,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:51,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:51,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:51,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:35:51,876 INFO L87 Difference]: Start difference. First operand 477 states and 580 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:35:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:52,843 INFO L93 Difference]: Finished difference Result 601 states and 737 transitions. [2024-11-09 11:35:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:35:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 125 [2024-11-09 11:35:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:52,847 INFO L225 Difference]: With dead ends: 601 [2024-11-09 11:35:52,847 INFO L226 Difference]: Without dead ends: 578 [2024-11-09 11:35:52,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:35:52,849 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:52,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 545 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:35:52,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-09 11:35:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 562. [2024-11-09 11:35:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 436 states have (on average 1.4793577981651376) internal successors, (645), 528 states have internal predecessors, (645), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:35:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 707 transitions. [2024-11-09 11:35:52,871 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 707 transitions. Word has length 125 [2024-11-09 11:35:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:52,871 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 707 transitions. [2024-11-09 11:35:52,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:35:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 707 transitions. [2024-11-09 11:35:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 11:35:52,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:52,873 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:52,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:53,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 11:35:53,077 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:53,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:53,077 INFO L85 PathProgramCache]: Analyzing trace with hash -519241713, now seen corresponding path program 1 times [2024-11-09 11:35:53,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:53,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881853430] [2024-11-09 11:35:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:53,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:35:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:35:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:53,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:53,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881853430] [2024-11-09 11:35:53,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881853430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:53,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981159791] [2024-11-09 11:35:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:53,220 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:53,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:35:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:35:53,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:53,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:53,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981159791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:53,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:53,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-09 11:35:53,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007894858] [2024-11-09 11:35:53,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:53,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:35:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:35:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:35:53,674 INFO L87 Difference]: Start difference. First operand 562 states and 707 transitions. Second operand has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:35:54,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:54,677 INFO L93 Difference]: Finished difference Result 602 states and 714 transitions. [2024-11-09 11:35:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:35:54,678 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-11-09 11:35:54,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:54,680 INFO L225 Difference]: With dead ends: 602 [2024-11-09 11:35:54,681 INFO L226 Difference]: Without dead ends: 597 [2024-11-09 11:35:54,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:35:54,681 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 331 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:54,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 732 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:35:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-09 11:35:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 561. [2024-11-09 11:35:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 436 states have (on average 1.4587155963302751) internal successors, (636), 527 states have internal predecessors, (636), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:35:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 698 transitions. [2024-11-09 11:35:54,702 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 698 transitions. Word has length 126 [2024-11-09 11:35:54,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:54,702 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 698 transitions. [2024-11-09 11:35:54,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:35:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 698 transitions. [2024-11-09 11:35:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 11:35:54,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:54,704 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:54,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:35:54,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:35:54,905 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:54,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:54,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1083376174, now seen corresponding path program 1 times [2024-11-09 11:35:54,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:54,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639992033] [2024-11-09 11:35:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:35:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:35:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:55,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:55,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639992033] [2024-11-09 11:35:55,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639992033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:55,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400699618] [2024-11-09 11:35:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:55,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:55,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:55,028 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:55,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:35:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:35:55,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:55,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:55,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400699618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:55,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:55,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-09 11:35:55,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012919088] [2024-11-09 11:35:55,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:55,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:35:55,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:35:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:35:55,436 INFO L87 Difference]: Start difference. First operand 561 states and 698 transitions. Second operand has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:35:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:56,316 INFO L93 Difference]: Finished difference Result 601 states and 705 transitions. [2024-11-09 11:35:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:35:56,317 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2024-11-09 11:35:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:56,319 INFO L225 Difference]: With dead ends: 601 [2024-11-09 11:35:56,319 INFO L226 Difference]: Without dead ends: 596 [2024-11-09 11:35:56,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:35:56,319 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 329 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:56,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 781 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:35:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-09 11:35:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 560. [2024-11-09 11:35:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 436 states have (on average 1.438073394495413) internal successors, (627), 526 states have internal predecessors, (627), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:35:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 689 transitions. [2024-11-09 11:35:56,338 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 689 transitions. Word has length 127 [2024-11-09 11:35:56,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:56,339 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 689 transitions. [2024-11-09 11:35:56,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:35:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 689 transitions. [2024-11-09 11:35:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:35:56,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:56,342 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:56,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:35:56,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:35:56,543 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:56,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash -775076879, now seen corresponding path program 1 times [2024-11-09 11:35:56,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:56,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797986077] [2024-11-09 11:35:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:56,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211574668] [2024-11-09 11:35:56,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:56,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:56,564 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:56,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:35:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:35:56,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:57,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:35:57,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797986077] [2024-11-09 11:35:57,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211574668] [2024-11-09 11:35:57,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211574668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:57,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:35:57,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:35:57,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90551270] [2024-11-09 11:35:57,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:57,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:35:57,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:57,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:35:57,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:35:57,340 INFO L87 Difference]: Start difference. First operand 560 states and 689 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:36:08,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:08,601 INFO L93 Difference]: Finished difference Result 621 states and 721 transitions. [2024-11-09 11:36:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:36:08,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 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 128 [2024-11-09 11:36:08,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:08,604 INFO L225 Difference]: With dead ends: 621 [2024-11-09 11:36:08,604 INFO L226 Difference]: Without dead ends: 526 [2024-11-09 11:36:08,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:36:08,605 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 459 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:08,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 509 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 11:36:08,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-09 11:36:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 507. [2024-11-09 11:36:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 388 states have (on average 1.3917525773195876) internal successors, (540), 476 states have internal predecessors, (540), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 596 transitions. [2024-11-09 11:36:08,623 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 596 transitions. Word has length 128 [2024-11-09 11:36:08,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:08,624 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 596 transitions. [2024-11-09 11:36:08,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:36:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 596 transitions. [2024-11-09 11:36:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 11:36:08,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:08,626 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:36:08,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:08,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:08,831 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:08,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1025846474, now seen corresponding path program 1 times [2024-11-09 11:36:08,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:08,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491989712] [2024-11-09 11:36:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-09 11:36:08,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:08,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491989712] [2024-11-09 11:36:08,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491989712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:36:08,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:36:08,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:36:08,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990773358] [2024-11-09 11:36:08,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:36:08,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:36:08,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:08,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:36:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:36:08,922 INFO L87 Difference]: Start difference. First operand 507 states and 596 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:09,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:09,674 INFO L93 Difference]: Finished difference Result 511 states and 596 transitions. [2024-11-09 11:36:09,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:36:09,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 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 170 [2024-11-09 11:36:09,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:09,676 INFO L225 Difference]: With dead ends: 511 [2024-11-09 11:36:09,676 INFO L226 Difference]: Without dead ends: 508 [2024-11-09 11:36:09,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:36:09,677 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 131 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:09,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 231 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:36:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-09 11:36:09,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 505. [2024-11-09 11:36:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.3814432989690721) internal successors, (536), 474 states have internal predecessors, (536), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 592 transitions. [2024-11-09 11:36:09,698 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 592 transitions. Word has length 170 [2024-11-09 11:36:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:09,702 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 592 transitions. [2024-11-09 11:36:09,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 592 transitions. [2024-11-09 11:36:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 11:36:09,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:09,704 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:09,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 11:36:09,704 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:09,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:09,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2031561587, now seen corresponding path program 1 times [2024-11-09 11:36:09,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:09,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032625035] [2024-11-09 11:36:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:09,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772815914] [2024-11-09 11:36:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:09,736 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:09,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:36:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:09,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:36:09,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:10,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:11,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032625035] [2024-11-09 11:36:11,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772815914] [2024-11-09 11:36:11,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772815914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:11,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:11,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:36:11,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914786974] [2024-11-09 11:36:11,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:11,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:36:11,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:11,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:36:11,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:11,447 INFO L87 Difference]: Start difference. First operand 505 states and 592 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 11:36:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:12,289 INFO L93 Difference]: Finished difference Result 506 states and 592 transitions. [2024-11-09 11:36:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:12,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2024-11-09 11:36:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:12,291 INFO L225 Difference]: With dead ends: 506 [2024-11-09 11:36:12,291 INFO L226 Difference]: Without dead ends: 505 [2024-11-09 11:36:12,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:12,292 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 32 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:12,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 534 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:36:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-09 11:36:12,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2024-11-09 11:36:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.3788659793814433) internal successors, (535), 474 states have internal predecessors, (535), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 591 transitions. [2024-11-09 11:36:12,312 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 591 transitions. Word has length 174 [2024-11-09 11:36:12,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:12,313 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 591 transitions. [2024-11-09 11:36:12,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 11:36:12,313 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 591 transitions. [2024-11-09 11:36:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 11:36:12,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:12,318 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:12,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:36:12,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:36:12,519 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:12,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:12,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1446100059, now seen corresponding path program 1 times [2024-11-09 11:36:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398240102] [2024-11-09 11:36:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175313421] [2024-11-09 11:36:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:12,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:12,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:12,552 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:12,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:36:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:12,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:36:12,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:13,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398240102] [2024-11-09 11:36:13,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175313421] [2024-11-09 11:36:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175313421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:13,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:13,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:36:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315451584] [2024-11-09 11:36:13,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:13,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:36:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:36:13,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:13,378 INFO L87 Difference]: Start difference. First operand 505 states and 591 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:14,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:14,052 INFO L93 Difference]: Finished difference Result 516 states and 591 transitions. [2024-11-09 11:36:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:14,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2024-11-09 11:36:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:14,055 INFO L225 Difference]: With dead ends: 516 [2024-11-09 11:36:14,055 INFO L226 Difference]: Without dead ends: 515 [2024-11-09 11:36:14,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:14,056 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 69 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:14,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 640 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:14,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-09 11:36:14,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 505. [2024-11-09 11:36:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.3762886597938144) internal successors, (534), 474 states have internal predecessors, (534), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 590 transitions. [2024-11-09 11:36:14,074 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 590 transitions. Word has length 175 [2024-11-09 11:36:14,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:14,075 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 590 transitions. [2024-11-09 11:36:14,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 590 transitions. [2024-11-09 11:36:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 11:36:14,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:14,077 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:14,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:14,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:14,282 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:14,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:14,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2050273271, now seen corresponding path program 1 times [2024-11-09 11:36:14,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:14,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811192454] [2024-11-09 11:36:14,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:14,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:14,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851221598] [2024-11-09 11:36:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:14,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:14,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:14,315 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:14,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:36:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:14,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:36:14,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:16,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:17,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:17,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811192454] [2024-11-09 11:36:17,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:17,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851221598] [2024-11-09 11:36:17,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851221598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:17,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:17,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:36:17,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025441659] [2024-11-09 11:36:17,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:17,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:36:17,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:17,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:36:17,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:17,288 INFO L87 Difference]: Start difference. First operand 505 states and 590 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:36:28,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:28,333 INFO L93 Difference]: Finished difference Result 529 states and 614 transitions. [2024-11-09 11:36:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:36:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2024-11-09 11:36:28,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:28,335 INFO L225 Difference]: With dead ends: 529 [2024-11-09 11:36:28,335 INFO L226 Difference]: Without dead ends: 521 [2024-11-09 11:36:28,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:36:28,336 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 222 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:28,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 421 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1850 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 11:36:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-09 11:36:28,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 505. [2024-11-09 11:36:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.3556701030927836) internal successors, (526), 474 states have internal predecessors, (526), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 582 transitions. [2024-11-09 11:36:28,354 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 582 transitions. Word has length 178 [2024-11-09 11:36:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:28,354 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 582 transitions. [2024-11-09 11:36:28,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:36:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 582 transitions. [2024-11-09 11:36:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 11:36:28,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:28,357 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:28,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:36:28,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:28,558 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:28,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash -548660670, now seen corresponding path program 2 times [2024-11-09 11:36:28,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:28,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867351513] [2024-11-09 11:36:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:28,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69668055] [2024-11-09 11:36:28,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:36:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:28,582 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:28,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:36:28,663 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:36:28,663 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:36:28,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:36:28,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:29,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:30,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867351513] [2024-11-09 11:36:30,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69668055] [2024-11-09 11:36:30,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69668055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:30,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:30,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:36:30,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268190408] [2024-11-09 11:36:30,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:30,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:36:30,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:30,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:36:30,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:36:30,037 INFO L87 Difference]: Start difference. First operand 505 states and 582 transitions. Second operand has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:31,750 INFO L93 Difference]: Finished difference Result 505 states and 582 transitions. [2024-11-09 11:36:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:36:31,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 186 [2024-11-09 11:36:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:31,752 INFO L225 Difference]: With dead ends: 505 [2024-11-09 11:36:31,752 INFO L226 Difference]: Without dead ends: 495 [2024-11-09 11:36:31,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:36:31,753 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 711 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:31,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 196 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:36:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-09 11:36:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-09 11:36:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 388 states have (on average 1.3170103092783505) internal successors, (511), 464 states have internal predecessors, (511), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 11:36:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 567 transitions. [2024-11-09 11:36:31,783 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 567 transitions. Word has length 186 [2024-11-09 11:36:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:31,784 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 567 transitions. [2024-11-09 11:36:31,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 567 transitions. [2024-11-09 11:36:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 11:36:31,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:31,785 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:31,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:31,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:31,990 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:31,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash 171388598, now seen corresponding path program 1 times [2024-11-09 11:36:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849552073] [2024-11-09 11:36:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:31,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:32,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561791087] [2024-11-09 11:36:32,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:32,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:32,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:32,021 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:32,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:36:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:32,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:36:32,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:33,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:33,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:33,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849552073] [2024-11-09 11:36:33,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:33,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561791087] [2024-11-09 11:36:33,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561791087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:33,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:33,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:36:33,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510417370] [2024-11-09 11:36:33,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:33,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:36:33,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:33,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:36:33,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:36:33,499 INFO L87 Difference]: Start difference. First operand 495 states and 567 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:35,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:35,008 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2024-11-09 11:36:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:36:35,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 187 [2024-11-09 11:36:35,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:35,011 INFO L225 Difference]: With dead ends: 735 [2024-11-09 11:36:35,012 INFO L226 Difference]: Without dead ends: 730 [2024-11-09 11:36:35,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:36:35,012 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 193 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:35,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 556 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:36:35,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-09 11:36:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 590. [2024-11-09 11:36:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 475 states have (on average 1.345263157894737) internal successors, (639), 551 states have internal predecessors, (639), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 11:36:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 711 transitions. [2024-11-09 11:36:35,035 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 711 transitions. Word has length 187 [2024-11-09 11:36:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:35,036 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 711 transitions. [2024-11-09 11:36:35,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 711 transitions. [2024-11-09 11:36:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 11:36:35,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:35,037 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:35,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:36:35,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:35,241 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:35,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1495691384, now seen corresponding path program 1 times [2024-11-09 11:36:35,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:35,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678691115] [2024-11-09 11:36:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:35,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344646519] [2024-11-09 11:36:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:35,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:35,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:35,267 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:35,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:36:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:35,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:36:35,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:35,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:36,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:36,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678691115] [2024-11-09 11:36:36,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:36,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344646519] [2024-11-09 11:36:36,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344646519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:36,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:36,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:36:36,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925974451] [2024-11-09 11:36:36,680 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:36,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:36:36,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:36,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:36:36,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:36:36,681 INFO L87 Difference]: Start difference. First operand 590 states and 711 transitions. Second operand has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:37,787 INFO L93 Difference]: Finished difference Result 721 states and 893 transitions. [2024-11-09 11:36:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:36:37,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 189 [2024-11-09 11:36:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:37,790 INFO L225 Difference]: With dead ends: 721 [2024-11-09 11:36:37,790 INFO L226 Difference]: Without dead ends: 709 [2024-11-09 11:36:37,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:36:37,791 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 167 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:37,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 723 Invalid, 2080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:36:37,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-09 11:36:37,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 670. [2024-11-09 11:36:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 551 states have (on average 1.3484573502722323) internal successors, (743), 627 states have internal predecessors, (743), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 823 transitions. [2024-11-09 11:36:37,828 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 823 transitions. Word has length 189 [2024-11-09 11:36:37,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:37,828 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 823 transitions. [2024-11-09 11:36:37,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 823 transitions. [2024-11-09 11:36:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 11:36:37,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:37,830 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:37,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:38,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:36:38,035 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:38,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:38,035 INFO L85 PathProgramCache]: Analyzing trace with hash -878207162, now seen corresponding path program 1 times [2024-11-09 11:36:38,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:38,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357343822] [2024-11-09 11:36:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:38,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97731495] [2024-11-09 11:36:38,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:38,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:38,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:38,063 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:38,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:36:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:38,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:36:38,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:39,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:46,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:46,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357343822] [2024-11-09 11:36:46,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:46,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97731495] [2024-11-09 11:36:46,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97731495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:46,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:46,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:36:46,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43765048] [2024-11-09 11:36:46,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:46,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:36:46,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:46,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:36:46,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=170, Unknown=1, NotChecked=0, Total=240 [2024-11-09 11:36:46,861 INFO L87 Difference]: Start difference. First operand 670 states and 823 transitions. Second operand has 16 states, 15 states have (on average 18.133333333333333) internal successors, (272), 16 states have internal predecessors, (272), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22)