./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:06:41,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:06:41,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:06:41,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:06:41,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:06:41,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:06:41,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:06:41,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:06:41,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:06:41,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:06:41,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:06:41,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:06:41,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:06:41,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:06:41,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:06:41,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:06:41,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:06:41,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:06:41,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:06:41,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:06:41,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:06:41,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:06:41,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:06:41,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:06:41,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:06:41,561 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:06:41,561 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:06:41,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:06:41,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:06:41,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:06:41,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:06:41,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:06:41,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:06:41,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:06:41,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:06:41,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:06:41,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:06:41,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:06:41,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:06:41,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:06:41,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:06:41,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:06:41,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:06:41,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:06:41,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-09 12:06:41,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:06:41,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:06:41,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:06:41,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:06:41,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:06:41,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-09 12:06:43,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:06:43,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:06:43,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-09 12:06:43,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c5b1f96/f704959e01164987866b32cc6f5025c7/FLAG36410b417 [2024-11-09 12:06:43,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c5b1f96/f704959e01164987866b32cc6f5025c7 [2024-11-09 12:06:43,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:06:43,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:06:43,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:06:43,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:06:43,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:06:43,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:43" (1/1) ... [2024-11-09 12:06:43,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1770ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:43, skipping insertion in model container [2024-11-09 12:06:43,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:43" (1/1) ... [2024-11-09 12:06:43,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:06:44,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:06:44,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:06:44,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:06:44,210 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:06:44,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44 WrapperNode [2024-11-09 12:06:44,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:06:44,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:06:44,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:06:44,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:06:44,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,245 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-09 12:06:44,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:06:44,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:06:44,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:06:44,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:06:44,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,277 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 12:06:44,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:06:44,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:06:44,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:06:44,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:06:44,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (1/1) ... [2024-11-09 12:06:44,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:06:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:44,325 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 12:06:44,327 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 12:06:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:06:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:06:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:06:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:06:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:06:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:06:44,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:06:44,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:06:44,805 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-09 12:06:44,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:06:44,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:06:44,821 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:06:44,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:44 BoogieIcfgContainer [2024-11-09 12:06:44,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:06:44,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:06:44,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:06:44,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:06:44,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:06:43" (1/3) ... [2024-11-09 12:06:44,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118a047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:06:44, skipping insertion in model container [2024-11-09 12:06:44,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:44" (2/3) ... [2024-11-09 12:06:44,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118a047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:06:44, skipping insertion in model container [2024-11-09 12:06:44,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:44" (3/3) ... [2024-11-09 12:06:44,828 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound100.c [2024-11-09 12:06:44,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:06:44,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-09 12:06:44,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:06:44,911 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;@bcc649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:06:44,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-09 12:06:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:06:44,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:44,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:06:44,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:44,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:44,926 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-09 12:06:44,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:44,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19737512] [2024-11-09 12:06:44,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:44,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:45,067 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 12:06:45,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:45,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19737512] [2024-11-09 12:06:45,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19737512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:45,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:45,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881494781] [2024-11-09 12:06:45,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:45,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:06:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:06:45,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:06:45,103 INFO L87 Difference]: Start difference. First operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:45,138 INFO L93 Difference]: Finished difference Result 367 states and 394 transitions. [2024-11-09 12:06:45,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:06:45,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:06:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:45,149 INFO L225 Difference]: With dead ends: 367 [2024-11-09 12:06:45,149 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 12:06:45,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:06:45,156 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:45,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:45,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 12:06:45,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 12:06:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 96 states have (on average 1.7708333333333333) internal successors, (170), 168 states have internal predecessors, (170), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-09 12:06:45,210 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 6 [2024-11-09 12:06:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:45,210 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-09 12:06:45,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-09 12:06:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:06:45,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:45,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:06:45,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:06:45,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:45,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:45,213 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:06:45,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:45,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637675104] [2024-11-09 12:06:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:45,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:45,288 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 12:06:45,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:45,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637675104] [2024-11-09 12:06:45,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637675104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:45,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:45,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:45,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923004768] [2024-11-09 12:06:45,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:45,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:45,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:45,291 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:45,333 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2024-11-09 12:06:45,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:45,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:06:45,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:45,334 INFO L225 Difference]: With dead ends: 172 [2024-11-09 12:06:45,335 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 12:06:45,335 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 12:06:45,336 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:45,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 12:06:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-09 12:06:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 167 states have internal predecessors, (169), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-09 12:06:45,345 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 6 [2024-11-09 12:06:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:45,345 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-09 12:06:45,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-09 12:06:45,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:06:45,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:45,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:45,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:06:45,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:45,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:45,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:06:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:45,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495395108] [2024-11-09 12:06:45,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:45,402 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 12:06:45,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:45,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495395108] [2024-11-09 12:06:45,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495395108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:45,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:45,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:45,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444964807] [2024-11-09 12:06:45,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:45,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:45,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:45,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:45,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:45,405 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:45,447 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2024-11-09 12:06:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:06:45,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 12:06:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:45,449 INFO L225 Difference]: With dead ends: 251 [2024-11-09 12:06:45,449 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 12:06:45,450 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 12:06:45,451 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 501 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 12:06:45,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 12:06:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-09 12:06:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 100 states have (on average 1.73) internal successors, (173), 171 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-11-09 12:06:45,464 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 7 [2024-11-09 12:06:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:45,464 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-11-09 12:06:45,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:06:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-11-09 12:06:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:06:45,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:45,465 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:45,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:06:45,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:45,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:06:45,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862353948] [2024-11-09 12:06:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:45,546 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 12:06:45,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:45,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862353948] [2024-11-09 12:06:45,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862353948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:45,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:45,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237379117] [2024-11-09 12:06:45,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:45,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:45,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:45,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:45,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:45,549 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 12:06:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:46,034 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-11-09 12:06:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:46,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-09 12:06:46,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:46,041 INFO L225 Difference]: With dead ends: 311 [2024-11-09 12:06:46,041 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 12:06:46,041 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 12:06:46,047 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:46,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:06:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 12:06:46,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-09 12:06:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 244 states have internal predecessors, (260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-11-09 12:06:46,081 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 9 [2024-11-09 12:06:46,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:46,081 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-11-09 12:06:46,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 12:06:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-11-09 12:06:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:06:46,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:46,082 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:46,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:06:46,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:46,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:46,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1018296696, now seen corresponding path program 1 times [2024-11-09 12:06:46,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:46,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047259706] [2024-11-09 12:06:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:46,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:46,276 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 12:06:46,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:46,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047259706] [2024-11-09 12:06:46,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047259706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:46,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:46,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446205470] [2024-11-09 12:06:46,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:46,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:46,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:46,278 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 12:06:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:46,378 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-11-09 12:06:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2024-11-09 12:06:46,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:46,380 INFO L225 Difference]: With dead ends: 268 [2024-11-09 12:06:46,380 INFO L226 Difference]: Without dead ends: 263 [2024-11-09 12:06:46,380 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 12:06:46,381 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:46,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:06:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-09 12:06:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-09 12:06:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 251 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-09 12:06:46,411 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 37 [2024-11-09 12:06:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:46,412 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-09 12:06:46,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 12:06:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-09 12:06:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:06:46,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:46,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:46,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:06:46,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:46,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:46,422 INFO L85 PathProgramCache]: Analyzing trace with hash 669422250, now seen corresponding path program 1 times [2024-11-09 12:06:46,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:46,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920716765] [2024-11-09 12:06:46,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:46,614 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 12:06:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:46,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920716765] [2024-11-09 12:06:46,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920716765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:46,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:46,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:46,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098508717] [2024-11-09 12:06:46,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:46,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:46,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:46,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:46,618 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 12:06:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:46,920 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-11-09 12:06:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:46,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2024-11-09 12:06:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:46,924 INFO L225 Difference]: With dead ends: 267 [2024-11-09 12:06:46,924 INFO L226 Difference]: Without dead ends: 262 [2024-11-09 12:06:46,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 12:06:46,926 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:46,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:06:46,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-09 12:06:46,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-11-09 12:06:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 251 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-11-09 12:06:46,938 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 39 [2024-11-09 12:06:46,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:46,938 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-11-09 12:06:46,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 12:06:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-11-09 12:06:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:06:46,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:46,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:46,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:06:46,940 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:46,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash -722746613, now seen corresponding path program 1 times [2024-11-09 12:06:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:46,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155152705] [2024-11-09 12:06:46,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:47,049 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 12:06:47,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:47,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155152705] [2024-11-09 12:06:47,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155152705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:47,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:47,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:47,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781538705] [2024-11-09 12:06:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:47,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:47,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:47,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:47,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:47,053 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 12:06:51,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:06:51,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:51,394 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-11-09 12:06:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:51,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-09 12:06:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:51,395 INFO L225 Difference]: With dead ends: 266 [2024-11-09 12:06:51,395 INFO L226 Difference]: Without dead ends: 228 [2024-11-09 12:06:51,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 12:06:51,401 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:51,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-09 12:06:51,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-09 12:06:51,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-09 12:06:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5342465753424657) internal successors, (224), 217 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-11-09 12:06:51,423 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 40 [2024-11-09 12:06:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:51,426 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-11-09 12:06:51,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 12:06:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-11-09 12:06:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:06:51,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:51,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:51,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:06:51,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:51,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash 257982969, now seen corresponding path program 1 times [2024-11-09 12:06:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829289809] [2024-11-09 12:06:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:51,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:51,520 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 12:06:51,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:51,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829289809] [2024-11-09 12:06:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829289809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:51,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776186941] [2024-11-09 12:06:51,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:51,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:51,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:51,524 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:51,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:51,539 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-11-09 12:06:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:51,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-09 12:06:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:51,541 INFO L225 Difference]: With dead ends: 224 [2024-11-09 12:06:51,541 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 12:06:51,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:06:51,542 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:51,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:51,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 12:06:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-09 12:06:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5205479452054795) internal successors, (222), 217 states have internal predecessors, (222), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:06:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-11-09 12:06:51,553 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 49 [2024-11-09 12:06:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:51,554 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-11-09 12:06:51,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-11-09 12:06:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 12:06:51,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:51,555 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:51,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:06:51,555 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:51,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1579375086, now seen corresponding path program 1 times [2024-11-09 12:06:51,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:51,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418903302] [2024-11-09 12:06:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:51,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536056849] [2024-11-09 12:06:51,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:51,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:51,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:51,589 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 12:06:51,590 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 12:06:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:51,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:06:51,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:51,751 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 12:06:51,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:51,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:51,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418903302] [2024-11-09 12:06:51,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:51,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536056849] [2024-11-09 12:06:51,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536056849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:51,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:51,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:51,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206398203] [2024-11-09 12:06:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:51,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:51,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:51,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:51,757 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:52,062 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2024-11-09 12:06:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-11-09 12:06:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:52,064 INFO L225 Difference]: With dead ends: 365 [2024-11-09 12:06:52,067 INFO L226 Difference]: Without dead ends: 311 [2024-11-09 12:06:52,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:52,068 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:52,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:06:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-09 12:06:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-11-09 12:06:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.407079646017699) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:06:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-11-09 12:06:52,101 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 54 [2024-11-09 12:06:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:52,101 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-11-09 12:06:52,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-11-09 12:06:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 12:06:52,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:52,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:52,117 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 12:06:52,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:52,307 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:52,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash 692470868, now seen corresponding path program 1 times [2024-11-09 12:06:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:52,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753348210] [2024-11-09 12:06:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,363 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 12:06:52,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:52,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753348210] [2024-11-09 12:06:52,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753348210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:52,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:52,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:06:52,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475208991] [2024-11-09 12:06:52,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:52,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:52,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:52,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:52,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:06:52,365 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:52,434 INFO L93 Difference]: Finished difference Result 305 states and 328 transitions. [2024-11-09 12:06:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:52,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2024-11-09 12:06:52,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:52,436 INFO L225 Difference]: With dead ends: 305 [2024-11-09 12:06:52,436 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 12:06:52,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 12:06:52,437 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 42 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:52,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:06:52,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 12:06:52,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-09 12:06:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.4026548672566372) internal successors, (317), 297 states have internal predecessors, (317), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:06:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 327 transitions. [2024-11-09 12:06:52,443 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 327 transitions. Word has length 60 [2024-11-09 12:06:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:52,443 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 327 transitions. [2024-11-09 12:06:52,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 327 transitions. [2024-11-09 12:06:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 12:06:52,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:52,444 INFO L215 NwaCegarLoop]: trace histogram [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 12:06:52,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:06:52,445 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:52,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash 671749658, now seen corresponding path program 1 times [2024-11-09 12:06:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339894789] [2024-11-09 12:06:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:52,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:52,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339894789] [2024-11-09 12:06:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339894789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:52,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165770931] [2024-11-09 12:06:52,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:52,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:52,511 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 12:06:52,512 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 12:06:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:52,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:06:52,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:52,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:52,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165770931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:52,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:06:52,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:06:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977834939] [2024-11-09 12:06:52,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:52,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:06:52,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:52,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:06:52,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:06:52,628 INFO L87 Difference]: Start difference. First operand 304 states and 327 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:52,664 INFO L93 Difference]: Finished difference Result 416 states and 446 transitions. [2024-11-09 12:06:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:06:52,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-09 12:06:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:52,666 INFO L225 Difference]: With dead ends: 416 [2024-11-09 12:06:52,666 INFO L226 Difference]: Without dead ends: 415 [2024-11-09 12:06:52,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 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 12:06:52,667 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 118 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:52,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:52,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-09 12:06:52,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 377. [2024-11-09 12:06:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.4175084175084176) internal successors, (421), 369 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:06:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2024-11-09 12:06:52,676 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 63 [2024-11-09 12:06:52,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:52,676 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2024-11-09 12:06:52,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2024-11-09 12:06:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 12:06:52,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:52,678 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:52,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:06:52,881 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,SelfDestructingSolverStorable10 [2024-11-09 12:06:52,882 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:52,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:52,883 INFO L85 PathProgramCache]: Analyzing trace with hash 608761983, now seen corresponding path program 1 times [2024-11-09 12:06:52,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:52,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292336645] [2024-11-09 12:06:52,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:52,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:06:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292336645] [2024-11-09 12:06:53,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292336645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:53,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508740774] [2024-11-09 12:06:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:53,018 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 12:06:53,019 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 12:06:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:06:53,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:06:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508740774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:06:53,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:06:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-09 12:06:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213729909] [2024-11-09 12:06:53,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:06:53,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:06:53,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:53,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:06:53,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:06:53,249 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:06:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,351 INFO L93 Difference]: Finished difference Result 662 states and 705 transitions. [2024-11-09 12:06:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:06:53,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2024-11-09 12:06:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,354 INFO L225 Difference]: With dead ends: 662 [2024-11-09 12:06:53,354 INFO L226 Difference]: Without dead ends: 550 [2024-11-09 12:06:53,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:06:53,356 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 242 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 896 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-09 12:06:53,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 453. [2024-11-09 12:06:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 369 states have (on average 1.5203252032520325) internal successors, (561), 441 states have internal predecessors, (561), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:06:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 577 transitions. [2024-11-09 12:06:53,369 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 577 transitions. Word has length 93 [2024-11-09 12:06:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,370 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 577 transitions. [2024-11-09 12:06:53,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:06:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 577 transitions. [2024-11-09 12:06:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 12:06:53,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,371 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,384 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 12:06:53,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:53,576 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,577 INFO L85 PathProgramCache]: Analyzing trace with hash -695193576, now seen corresponding path program 1 times [2024-11-09 12:06:53,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827228219] [2024-11-09 12:06:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:53,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289535010] [2024-11-09 12:06:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:53,593 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 12:06:53,594 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 12:06:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:53,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:06:53,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 12:06:53,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:53,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827228219] [2024-11-09 12:06:53,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289535010] [2024-11-09 12:06:53,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289535010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:53,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:53,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:06:53,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774296925] [2024-11-09 12:06:53,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:53,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:06:53,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:53,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:06:53,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:06:53,739 INFO L87 Difference]: Start difference. First operand 453 states and 577 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:53,778 INFO L93 Difference]: Finished difference Result 453 states and 577 transitions. [2024-11-09 12:06:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:06:53,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 93 [2024-11-09 12:06:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:53,780 INFO L225 Difference]: With dead ends: 453 [2024-11-09 12:06:53,780 INFO L226 Difference]: Without dead ends: 450 [2024-11-09 12:06:53,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 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 12:06:53,781 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:53,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:06:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-09 12:06:53,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-09 12:06:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4932249322493225) internal successors, (551), 438 states have internal predecessors, (551), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:06:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 567 transitions. [2024-11-09 12:06:53,792 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 567 transitions. Word has length 93 [2024-11-09 12:06:53,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:53,792 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 567 transitions. [2024-11-09 12:06:53,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 567 transitions. [2024-11-09 12:06:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 12:06:53,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:53,793 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:53,811 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 12:06:53,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:53,998 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:53,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:53,998 INFO L85 PathProgramCache]: Analyzing trace with hash -76164263, now seen corresponding path program 1 times [2024-11-09 12:06:53,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:53,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617690771] [2024-11-09 12:06:53,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:53,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781554448] [2024-11-09 12:06:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:54,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:54,013 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 12:06:54,014 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 12:06:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:54,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:06:54,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:54,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:06:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:54,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617690771] [2024-11-09 12:06:54,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781554448] [2024-11-09 12:06:54,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781554448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:06:54,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:06:54,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:06:54,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629501878] [2024-11-09 12:06:54,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:06:54,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:06:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:54,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:06:54,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:06:54,383 INFO L87 Difference]: Start difference. First operand 450 states and 567 transitions. Second operand has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:54,929 INFO L93 Difference]: Finished difference Result 507 states and 567 transitions. [2024-11-09 12:06:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:06:54,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 94 [2024-11-09 12:06:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:54,932 INFO L225 Difference]: With dead ends: 507 [2024-11-09 12:06:54,932 INFO L226 Difference]: Without dead ends: 500 [2024-11-09 12:06:54,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:06:54,933 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 287 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:54,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 368 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:06:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-09 12:06:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 450. [2024-11-09 12:06:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4661246612466126) internal successors, (541), 438 states have internal predecessors, (541), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:06:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2024-11-09 12:06:54,943 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 94 [2024-11-09 12:06:54,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:54,944 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2024-11-09 12:06:54,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:06:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2024-11-09 12:06:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 12:06:54,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:54,945 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:06:54,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:06:55,145 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,SelfDestructingSolverStorable13 [2024-11-09 12:06:55,145 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:55,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1933875258, now seen corresponding path program 1 times [2024-11-09 12:06:55,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:55,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632151723] [2024-11-09 12:06:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:55,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185152777] [2024-11-09 12:06:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:55,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:55,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:55,172 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 12:06:55,173 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 12:06:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:55,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:06:55,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:55,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:06:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:55,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:55,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632151723] [2024-11-09 12:06:55,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:55,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185152777] [2024-11-09 12:06:55,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185152777] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:55,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:06:55,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 12:06:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411020219] [2024-11-09 12:06:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:55,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:06:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:55,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:06:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:06:55,769 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:56,609 INFO L93 Difference]: Finished difference Result 450 states and 557 transitions. [2024-11-09 12:06:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:06:56,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 95 [2024-11-09 12:06:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:56,611 INFO L225 Difference]: With dead ends: 450 [2024-11-09 12:06:56,611 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 12:06:56,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:06:56,612 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 132 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:56,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 47 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:06:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 12:06:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-09 12:06:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.4471544715447155) internal successors, (534), 436 states have internal predecessors, (534), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:06:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 550 transitions. [2024-11-09 12:06:56,623 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 550 transitions. Word has length 95 [2024-11-09 12:06:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:56,623 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 550 transitions. [2024-11-09 12:06:56,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 550 transitions. [2024-11-09 12:06:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 12:06:56,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:56,624 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 12:06:56,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:06:56,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:06:56,828 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:56,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:56,829 INFO L85 PathProgramCache]: Analyzing trace with hash -179409029, now seen corresponding path program 1 times [2024-11-09 12:06:56,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:56,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041867040] [2024-11-09 12:06:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:56,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:56,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151828464] [2024-11-09 12:06:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:56,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:56,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:56,862 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 12:06:56,863 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 12:06:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:56,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:06:56,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:57,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:06:57,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:57,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041867040] [2024-11-09 12:06:57,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:57,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151828464] [2024-11-09 12:06:57,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151828464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:06:57,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:06:57,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:06:57,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559837688] [2024-11-09 12:06:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:57,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:06:57,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:57,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:06:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:06:57,034 INFO L87 Difference]: Start difference. First operand 448 states and 550 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:57,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:06:57,442 INFO L93 Difference]: Finished difference Result 451 states and 550 transitions. [2024-11-09 12:06:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:06:57,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2024-11-09 12:06:57,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:06:57,444 INFO L225 Difference]: With dead ends: 451 [2024-11-09 12:06:57,444 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 12:06:57,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:06:57,445 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 135 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:06:57,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 58 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:06:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 12:06:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-09 12:06:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 369 states have (on average 1.3062330623306233) internal successors, (482), 419 states have internal predecessors, (482), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:06:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 498 transitions. [2024-11-09 12:06:57,456 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 498 transitions. Word has length 96 [2024-11-09 12:06:57,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:06:57,456 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 498 transitions. [2024-11-09 12:06:57,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:06:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 498 transitions. [2024-11-09 12:06:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 12:06:57,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:06:57,457 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:06:57,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 12:06:57,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:57,661 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:06:57,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:06:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1266712484, now seen corresponding path program 1 times [2024-11-09 12:06:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:06:57,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775926670] [2024-11-09 12:06:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:06:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:06:57,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989693685] [2024-11-09 12:06:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:06:57,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:06:57,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:06:57,684 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 12:06:57,688 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 12:06:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:06:57,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:06:57,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:06:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:06:57,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:06:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 12:06:58,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:06:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775926670] [2024-11-09 12:06:58,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:06:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989693685] [2024-11-09 12:06:58,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989693685] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:06:58,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:06:58,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 12:06:58,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448783247] [2024-11-09 12:06:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:06:58,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:06:58,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:06:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:06:58,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:06:58,135 INFO L87 Difference]: Start difference. First operand 431 states and 498 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:01,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:01,160 INFO L93 Difference]: Finished difference Result 431 states and 498 transitions. [2024-11-09 12:07:01,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:01,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2024-11-09 12:07:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:01,162 INFO L225 Difference]: With dead ends: 431 [2024-11-09 12:07:01,163 INFO L226 Difference]: Without dead ends: 429 [2024-11-09 12:07:01,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:01,163 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:01,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 12:07:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-09 12:07:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-09 12:07:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 369 states have (on average 1.2872628726287263) internal successors, (475), 417 states have internal predecessors, (475), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 491 transitions. [2024-11-09 12:07:01,177 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 491 transitions. Word has length 97 [2024-11-09 12:07:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:01,177 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 491 transitions. [2024-11-09 12:07:01,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:07:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 491 transitions. [2024-11-09 12:07:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 12:07:01,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:01,178 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 12:07:01,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:01,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:07:01,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:01,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:01,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1969279881, now seen corresponding path program 1 times [2024-11-09 12:07:01,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:01,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592025970] [2024-11-09 12:07:01,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:01,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:01,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:01,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592025970] [2024-11-09 12:07:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592025970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:01,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908008517] [2024-11-09 12:07:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:01,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:01,460 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 12:07:01,461 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 12:07:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:01,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:01,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:01,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908008517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:01,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:01,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:07:01,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138505186] [2024-11-09 12:07:01,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:01,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:01,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:01,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:01,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:07:01,616 INFO L87 Difference]: Start difference. First operand 429 states and 491 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:01,640 INFO L93 Difference]: Finished difference Result 450 states and 497 transitions. [2024-11-09 12:07:01,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:01,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-09 12:07:01,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:01,642 INFO L225 Difference]: With dead ends: 450 [2024-11-09 12:07:01,642 INFO L226 Difference]: Without dead ends: 449 [2024-11-09 12:07:01,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 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 12:07:01,643 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 167 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:01,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 333 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:01,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-09 12:07:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 428. [2024-11-09 12:07:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 369 states have (on average 1.2791327913279134) internal successors, (472), 416 states have internal predecessors, (472), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 488 transitions. [2024-11-09 12:07:01,655 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 488 transitions. Word has length 105 [2024-11-09 12:07:01,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:01,656 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 488 transitions. [2024-11-09 12:07:01,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 488 transitions. [2024-11-09 12:07:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 12:07:01,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:01,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:07:01,673 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 12:07:01,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:07:01,857 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:01,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:01,858 INFO L85 PathProgramCache]: Analyzing trace with hash 918134298, now seen corresponding path program 1 times [2024-11-09 12:07:01,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:01,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325565930] [2024-11-09 12:07:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:01,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325565930] [2024-11-09 12:07:01,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325565930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:01,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039328225] [2024-11-09 12:07:01,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:01,934 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 12:07:01,942 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 12:07:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:01,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:01,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:02,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:02,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039328225] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:02,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:07:02,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:07:02,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484368976] [2024-11-09 12:07:02,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:02,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:07:02,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:02,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:07:02,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:07:02,171 INFO L87 Difference]: Start difference. First operand 428 states and 488 transitions. Second operand has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:02,211 INFO L93 Difference]: Finished difference Result 508 states and 547 transitions. [2024-11-09 12:07:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:02,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 106 [2024-11-09 12:07:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:02,213 INFO L225 Difference]: With dead ends: 508 [2024-11-09 12:07:02,213 INFO L226 Difference]: Without dead ends: 507 [2024-11-09 12:07:02,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 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 12:07:02,214 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 51 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:02,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 609 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:02,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-09 12:07:02,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 466. [2024-11-09 12:07:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 406 states have (on average 1.2955665024630543) internal successors, (526), 453 states have internal predecessors, (526), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:07:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 544 transitions. [2024-11-09 12:07:02,232 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 544 transitions. Word has length 106 [2024-11-09 12:07:02,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:02,232 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 544 transitions. [2024-11-09 12:07:02,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 544 transitions. [2024-11-09 12:07:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 12:07:02,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:02,234 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:02,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:07:02,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:02,435 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:02,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:02,436 INFO L85 PathProgramCache]: Analyzing trace with hash -760729652, now seen corresponding path program 1 times [2024-11-09 12:07:02,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:02,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387192720] [2024-11-09 12:07:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 12:07:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:02,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387192720] [2024-11-09 12:07:02,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387192720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:02,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:02,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251847681] [2024-11-09 12:07:02,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:02,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:02,551 INFO L87 Difference]: Start difference. First operand 466 states and 544 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:02,795 INFO L93 Difference]: Finished difference Result 466 states and 544 transitions. [2024-11-09 12:07:02,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:02,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 121 [2024-11-09 12:07:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:02,797 INFO L225 Difference]: With dead ends: 466 [2024-11-09 12:07:02,798 INFO L226 Difference]: Without dead ends: 459 [2024-11-09 12:07:02,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 12:07:02,798 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 80 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:02,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 41 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-09 12:07:02,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-09 12:07:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 406 states have (on average 1.2463054187192117) internal successors, (506), 446 states have internal predecessors, (506), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:07:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 524 transitions. [2024-11-09 12:07:02,816 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 524 transitions. Word has length 121 [2024-11-09 12:07:02,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:02,816 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 524 transitions. [2024-11-09 12:07:02,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 524 transitions. [2024-11-09 12:07:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 12:07:02,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:02,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:02,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 12:07:02,818 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:02,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2107782675, now seen corresponding path program 1 times [2024-11-09 12:07:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672919459] [2024-11-09 12:07:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 12:07:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 12:07:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 12:07:02,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:02,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672919459] [2024-11-09 12:07:02,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672919459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:02,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:02,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:02,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962573074] [2024-11-09 12:07:02,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:02,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:02,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:02,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:02,876 INFO L87 Difference]: Start difference. First operand 459 states and 524 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:03,017 INFO L93 Difference]: Finished difference Result 459 states and 524 transitions. [2024-11-09 12:07:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 122 [2024-11-09 12:07:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:03,019 INFO L225 Difference]: With dead ends: 459 [2024-11-09 12:07:03,019 INFO L226 Difference]: Without dead ends: 457 [2024-11-09 12:07:03,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 12:07:03,020 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:03,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:07:03,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-09 12:07:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2024-11-09 12:07:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 406 states have (on average 1.2364532019704433) internal successors, (502), 444 states have internal predecessors, (502), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:07:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 520 transitions. [2024-11-09 12:07:03,033 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 520 transitions. Word has length 122 [2024-11-09 12:07:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:03,034 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 520 transitions. [2024-11-09 12:07:03,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 520 transitions. [2024-11-09 12:07:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 12:07:03,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:03,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:03,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 12:07:03,035 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:03,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:03,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1645414927, now seen corresponding path program 1 times [2024-11-09 12:07:03,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:03,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909068416] [2024-11-09 12:07:03,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:03,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:03,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373615100] [2024-11-09 12:07:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:03,054 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 12:07:03,055 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 12:07:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:03,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:07:03,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:03,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:03,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909068416] [2024-11-09 12:07:03,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373615100] [2024-11-09 12:07:03,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373615100] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:03,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:03,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:07:03,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153949990] [2024-11-09 12:07:03,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:03,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:07:03,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:03,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:07:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:03,387 INFO L87 Difference]: Start difference. First operand 457 states and 520 transitions. Second operand has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:07:03,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:03,908 INFO L93 Difference]: Finished difference Result 483 states and 526 transitions. [2024-11-09 12:07:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:07:03,909 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 124 [2024-11-09 12:07:03,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:03,910 INFO L225 Difference]: With dead ends: 483 [2024-11-09 12:07:03,910 INFO L226 Difference]: Without dead ends: 453 [2024-11-09 12:07:03,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:03,911 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 383 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:03,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 173 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:07:03,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-09 12:07:03,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2024-11-09 12:07:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 402 states have (on average 1.1592039800995024) internal successors, (466), 437 states have internal predecessors, (466), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:07:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 484 transitions. [2024-11-09 12:07:03,923 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 484 transitions. Word has length 124 [2024-11-09 12:07:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:03,923 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 484 transitions. [2024-11-09 12:07:03,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:07:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 484 transitions. [2024-11-09 12:07:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 12:07:03,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:03,924 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:03,937 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 12:07:04,125 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,SelfDestructingSolverStorable21 [2024-11-09 12:07:04,125 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:04,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1470987247, now seen corresponding path program 1 times [2024-11-09 12:07:04,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:04,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226512950] [2024-11-09 12:07:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:04,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:04,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859314517] [2024-11-09 12:07:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:04,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:04,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:04,154 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 12:07:04,159 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 12:07:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:04,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:07:04,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:04,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:04,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:04,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226512950] [2024-11-09 12:07:04,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:04,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859314517] [2024-11-09 12:07:04,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859314517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:04,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:04,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 12:07:04,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635136818] [2024-11-09 12:07:04,945 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:04,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:07:04,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:04,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:07:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:04,946 INFO L87 Difference]: Start difference. First operand 449 states and 484 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:05,202 INFO L93 Difference]: Finished difference Result 451 states and 487 transitions. [2024-11-09 12:07:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:05,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 144 [2024-11-09 12:07:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:05,208 INFO L225 Difference]: With dead ends: 451 [2024-11-09 12:07:05,208 INFO L226 Difference]: Without dead ends: 437 [2024-11-09 12:07:05,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:05,209 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:05,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 59 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-09 12:07:05,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2024-11-09 12:07:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 402 states have (on average 1.092039800995025) internal successors, (439), 423 states have internal predecessors, (439), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:07:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 457 transitions. [2024-11-09 12:07:05,238 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 457 transitions. Word has length 144 [2024-11-09 12:07:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:05,239 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 457 transitions. [2024-11-09 12:07:05,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 457 transitions. [2024-11-09 12:07:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 12:07:05,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:05,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:05,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 12:07:05,442 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1644035826, now seen corresponding path program 1 times [2024-11-09 12:07:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356817965] [2024-11-09 12:07:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:05,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996034736] [2024-11-09 12:07:05,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:05,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:05,486 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 12:07:05,488 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 12:07:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:05,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:07:05,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:05,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:06,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:06,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356817965] [2024-11-09 12:07:06,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:06,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996034736] [2024-11-09 12:07:06,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996034736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:06,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:06,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:07:06,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724716093] [2024-11-09 12:07:06,439 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:06,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:07:06,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:06,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:07:06,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:06,441 INFO L87 Difference]: Start difference. First operand 435 states and 457 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:06,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:06,738 INFO L93 Difference]: Finished difference Result 438 states and 459 transitions. [2024-11-09 12:07:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 145 [2024-11-09 12:07:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:06,741 INFO L225 Difference]: With dead ends: 438 [2024-11-09 12:07:06,741 INFO L226 Difference]: Without dead ends: 400 [2024-11-09 12:07:06,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:06,741 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:06,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:06,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-09 12:07:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-11-09 12:07:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0978260869565217) internal successors, (404), 388 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 420 transitions. [2024-11-09 12:07:06,772 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 420 transitions. Word has length 145 [2024-11-09 12:07:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:06,773 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 420 transitions. [2024-11-09 12:07:06,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 420 transitions. [2024-11-09 12:07:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 12:07:06,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:06,774 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:06,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:06,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 12:07:06,978 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1923338000, now seen corresponding path program 1 times [2024-11-09 12:07:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:06,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624729311] [2024-11-09 12:07:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:07,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745368711] [2024-11-09 12:07:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:07,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:07,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:07,009 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 12:07:07,011 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 12:07:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:07,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:07:07,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:07,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:07,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624729311] [2024-11-09 12:07:07,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745368711] [2024-11-09 12:07:07,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745368711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:07,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:07,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:07:07,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119132295] [2024-11-09 12:07:07,270 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:07,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:07:07,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:07,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:07:07,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:07,271 INFO L87 Difference]: Start difference. First operand 400 states and 420 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:07,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:07,611 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2024-11-09 12:07:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:07:07,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 168 [2024-11-09 12:07:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:07,613 INFO L225 Difference]: With dead ends: 445 [2024-11-09 12:07:07,613 INFO L226 Difference]: Without dead ends: 442 [2024-11-09 12:07:07,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:07,614 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 156 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:07,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 121 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:07,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-09 12:07:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 400. [2024-11-09 12:07:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0896739130434783) internal successors, (401), 388 states have internal predecessors, (401), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 417 transitions. [2024-11-09 12:07:07,624 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 417 transitions. Word has length 168 [2024-11-09 12:07:07,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:07,625 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 417 transitions. [2024-11-09 12:07:07,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:07:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 417 transitions. [2024-11-09 12:07:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 12:07:07,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:07,626 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:07,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:07:07,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:07,826 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:07,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:07,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1491876078, now seen corresponding path program 1 times [2024-11-09 12:07:07,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:07,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89772704] [2024-11-09 12:07:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:07,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988573679] [2024-11-09 12:07:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:07,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:07,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:07,858 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 12:07:07,871 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 12:07:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:07,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:07:07,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:08,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:07:08,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:08,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89772704] [2024-11-09 12:07:08,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:08,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988573679] [2024-11-09 12:07:08,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988573679] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:08,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:08,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 12:07:08,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253627333] [2024-11-09 12:07:08,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:08,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:07:08,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:08,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:07:08,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:08,614 INFO L87 Difference]: Start difference. First operand 400 states and 417 transitions. Second operand has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:09,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:09,382 INFO L93 Difference]: Finished difference Result 474 states and 499 transitions. [2024-11-09 12:07:09,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:07:09,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 170 [2024-11-09 12:07:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:09,385 INFO L225 Difference]: With dead ends: 474 [2024-11-09 12:07:09,385 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 12:07:09,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:07:09,386 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 519 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:09,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 257 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:07:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 12:07:09,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2024-11-09 12:07:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 386 states have (on average 1.0466321243523315) internal successors, (404), 398 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:07:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 420 transitions. [2024-11-09 12:07:09,404 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 420 transitions. Word has length 170 [2024-11-09 12:07:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:09,404 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 420 transitions. [2024-11-09 12:07:09,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:07:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 420 transitions. [2024-11-09 12:07:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-09 12:07:09,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:09,406 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 12:07:09,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:09,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:07:09,607 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-09 12:07:09,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 826170676, now seen corresponding path program 1 times [2024-11-09 12:07:09,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:09,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026951769] [2024-11-09 12:07:09,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:09,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130304361] [2024-11-09 12:07:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:09,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:09,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:09,646 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 12:07:09,647 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 12:07:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:09,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:07:09,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:07:09,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:18,032 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-09 12:07:26,195 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 12:07:38,225 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 12:08:24,060 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)