./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:32:41,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:32:41,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:32:41,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:32:41,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:32:41,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:32:41,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:32:41,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:32:41,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:32:41,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:32:41,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:32:41,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:32:41,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:32:41,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:32:41,885 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:32:41,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:32:41,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:32:41,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:32:41,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:32:41,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:32:41,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:32:41,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:32:41,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:32:41,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:32:41,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:32:41,890 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:32:41,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:32:41,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:32:41,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:32:41,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:32:41,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:32:41,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:32:41,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:32:41,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:32:41,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:32:41,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:32:41,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:32:41,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:32:41,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2024-11-22 22:32:42,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:32:42,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:32:42,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:32:42,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:32:42,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:32:42,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-11-22 22:32:43,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:32:43,600 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:32:43,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-11-22 22:32:43,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa605fcbb/c63700b1f3aa42598878d7da1ee01e97/FLAGe5ed6b6dd [2024-11-22 22:32:43,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa605fcbb/c63700b1f3aa42598878d7da1ee01e97 [2024-11-22 22:32:43,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:32:43,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:32:43,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:32:43,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:32:43,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:32:43,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54359094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43, skipping insertion in model container [2024-11-22 22:32:43,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:32:43,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:32:43,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:32:43,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:32:43,838 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:32:43,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43 WrapperNode [2024-11-22 22:32:43,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:32:43,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:32:43,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:32:43,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:32:43,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,914 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-11-22 22:32:43,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:32:43,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:32:43,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:32:43,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:32:43,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,942 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]. [2024-11-22 22:32:43,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:32:43,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:32:43,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:32:43,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:32:43,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (1/1) ... [2024-11-22 22:32:43,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:32:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:43,996 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) [2024-11-22 22:32:44,006 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 [2024-11-22 22:32:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:32:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:32:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:32:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:32:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:32:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:32:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:32:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:32:44,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:32:44,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:32:44,520 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-22 22:32:44,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:32:44,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:32:44,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:32:44,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:44 BoogieIcfgContainer [2024-11-22 22:32:44,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:32:44,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:32:44,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:32:44,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:32:44,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:32:43" (1/3) ... [2024-11-22 22:32:44,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d03352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:44, skipping insertion in model container [2024-11-22 22:32:44,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:43" (2/3) ... [2024-11-22 22:32:44,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d03352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:44, skipping insertion in model container [2024-11-22 22:32:44,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:44" (3/3) ... [2024-11-22 22:32:44,539 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2024-11-22 22:32:44,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:32:44,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-22 22:32:44,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:32:44,603 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;@5a720ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:32:44,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-22 22:32:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:32:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:32:44,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:44,614 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:44,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:44,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2137283996, now seen corresponding path program 1 times [2024-11-22 22:32:44,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801338433] [2024-11-22 22:32:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:44,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:44,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692750405] [2024-11-22 22:32:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:44,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:44,738 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) [2024-11-22 22:32:44,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:32:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:44,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:32:44,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:44,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:44,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:44,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801338433] [2024-11-22 22:32:44,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692750405] [2024-11-22 22:32:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692750405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:44,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:44,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:44,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193536493] [2024-11-22 22:32:44,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:44,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:44,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:44,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:44,875 INFO L87 Difference]: Start difference. First operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:45,086 INFO L93 Difference]: Finished difference Result 368 states and 460 transitions. [2024-11-22 22:32:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:45,088 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-22 22:32:45,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:45,096 INFO L225 Difference]: With dead ends: 368 [2024-11-22 22:32:45,096 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 22:32:45,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:45,103 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 75 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:45,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 159 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 22:32:45,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-22 22:32:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.8349514563106797) internal successors, (189), 158 states have internal predecessors, (189), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 22:32:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2024-11-22 22:32:45,187 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 26 [2024-11-22 22:32:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:45,189 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2024-11-22 22:32:45,189 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2024-11-22 22:32:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:32:45,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:45,192 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:45,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:32:45,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:32:45,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:45,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:45,399 INFO L85 PathProgramCache]: Analyzing trace with hash -935551034, now seen corresponding path program 1 times [2024-11-22 22:32:45,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:45,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711003675] [2024-11-22 22:32:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:45,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508086695] [2024-11-22 22:32:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:45,456 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) [2024-11-22 22:32:45,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:32:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:45,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:32:45,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:45,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:45,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:45,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711003675] [2024-11-22 22:32:45,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:45,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508086695] [2024-11-22 22:32:45,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508086695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:45,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:45,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:45,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664464377] [2024-11-22 22:32:45,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:45,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:45,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:45,516 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:45,684 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-22 22:32:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:45,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-11-22 22:32:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:45,686 INFO L225 Difference]: With dead ends: 277 [2024-11-22 22:32:45,686 INFO L226 Difference]: Without dead ends: 269 [2024-11-22 22:32:45,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:45,688 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:45,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:45,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-22 22:32:45,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 229. [2024-11-22 22:32:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.7866666666666666) internal successors, (268), 205 states have internal predecessors, (268), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:32:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2024-11-22 22:32:45,701 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 28 [2024-11-22 22:32:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:45,701 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2024-11-22 22:32:45,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2024-11-22 22:32:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:32:45,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:45,703 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:45,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:45,903 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,SelfDestructingSolverStorable1 [2024-11-22 22:32:45,904 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:45,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1416377048, now seen corresponding path program 1 times [2024-11-22 22:32:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153131409] [2024-11-22 22:32:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:45,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593971861] [2024-11-22 22:32:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:45,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:45,950 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) [2024-11-22 22:32:45,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:32:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:45,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:45,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:46,058 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153131409] [2024-11-22 22:32:46,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593971861] [2024-11-22 22:32:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593971861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434449953] [2024-11-22 22:32:46,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:46,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:46,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:46,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:46,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,061 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:46,295 INFO L93 Difference]: Finished difference Result 263 states and 329 transitions. [2024-11-22 22:32:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-22 22:32:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:46,298 INFO L225 Difference]: With dead ends: 263 [2024-11-22 22:32:46,298 INFO L226 Difference]: Without dead ends: 249 [2024-11-22 22:32:46,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,300 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:46,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 134 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:46,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-22 22:32:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 194. [2024-11-22 22:32:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.7083333333333333) internal successors, (205), 175 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 22:32:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 237 transitions. [2024-11-22 22:32:46,315 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 237 transitions. Word has length 30 [2024-11-22 22:32:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:46,315 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 237 transitions. [2024-11-22 22:32:46,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:32:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2024-11-22 22:32:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:32:46,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:46,316 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:46,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:32:46,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:46,517 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:46,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:46,518 INFO L85 PathProgramCache]: Analyzing trace with hash -323936951, now seen corresponding path program 1 times [2024-11-22 22:32:46,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:46,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90439639] [2024-11-22 22:32:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:46,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436133188] [2024-11-22 22:32:46,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:46,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:46,550 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) [2024-11-22 22:32:46,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:32:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:46,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:32:46,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:46,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:46,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:46,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90439639] [2024-11-22 22:32:46,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:46,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436133188] [2024-11-22 22:32:46,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436133188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:46,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:46,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497601622] [2024-11-22 22:32:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:46,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:46,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,653 INFO L87 Difference]: Start difference. First operand 194 states and 237 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:46,789 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2024-11-22 22:32:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:46,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-11-22 22:32:46,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:46,793 INFO L225 Difference]: With dead ends: 356 [2024-11-22 22:32:46,794 INFO L226 Difference]: Without dead ends: 348 [2024-11-22 22:32:46,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,795 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:46,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-22 22:32:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273. [2024-11-22 22:32:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6894736842105262) internal successors, (321), 245 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2024-11-22 22:32:46,826 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 37 [2024-11-22 22:32:46,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:46,826 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2024-11-22 22:32:46,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2024-11-22 22:32:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:32:46,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:46,827 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:46,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:32:47,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,028 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:47,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:47,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2065762549, now seen corresponding path program 1 times [2024-11-22 22:32:47,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:47,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726433708] [2024-11-22 22:32:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224101607] [2024-11-22 22:32:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:47,049 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) [2024-11-22 22:32:47,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:32:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:47,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:47,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:47,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:47,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:47,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726433708] [2024-11-22 22:32:47,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224101607] [2024-11-22 22:32:47,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224101607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:47,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:47,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:47,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556372353] [2024-11-22 22:32:47,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:47,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:47,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,144 INFO L87 Difference]: Start difference. First operand 273 states and 371 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:47,365 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2024-11-22 22:32:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:47,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-22 22:32:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:47,367 INFO L225 Difference]: With dead ends: 326 [2024-11-22 22:32:47,367 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:47,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,368 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:47,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:47,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-22 22:32:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.668421052631579) internal successors, (317), 245 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 367 transitions. [2024-11-22 22:32:47,382 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 367 transitions. Word has length 39 [2024-11-22 22:32:47,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:47,382 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 367 transitions. [2024-11-22 22:32:47,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2024-11-22 22:32:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:32:47,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:47,383 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:47,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:32:47,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,588 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:47,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:47,589 INFO L85 PathProgramCache]: Analyzing trace with hash 385870489, now seen corresponding path program 1 times [2024-11-22 22:32:47,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:47,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541067710] [2024-11-22 22:32:47,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:47,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1694913374] [2024-11-22 22:32:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:47,619 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) [2024-11-22 22:32:47,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:32:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:47,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:47,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:47,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:47,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:47,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541067710] [2024-11-22 22:32:47,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:47,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694913374] [2024-11-22 22:32:47,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694913374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:47,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:47,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:47,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067033286] [2024-11-22 22:32:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:47,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,705 INFO L87 Difference]: Start difference. First operand 273 states and 367 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:47,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:47,882 INFO L93 Difference]: Finished difference Result 326 states and 432 transitions. [2024-11-22 22:32:47,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:47,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-22 22:32:47,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:47,884 INFO L225 Difference]: With dead ends: 326 [2024-11-22 22:32:47,884 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:47,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,884 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:47,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:47,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:47,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-22 22:32:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6473684210526316) internal successors, (313), 245 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2024-11-22 22:32:47,895 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 40 [2024-11-22 22:32:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:47,896 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2024-11-22 22:32:47,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2024-11-22 22:32:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:32:47,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:47,896 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:47,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:32:48,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,101 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:48,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:48,102 INFO L85 PathProgramCache]: Analyzing trace with hash -922916659, now seen corresponding path program 1 times [2024-11-22 22:32:48,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:48,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134196818] [2024-11-22 22:32:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:48,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965171848] [2024-11-22 22:32:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:48,124 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) [2024-11-22 22:32:48,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:32:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:48,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:48,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:48,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:48,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:48,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134196818] [2024-11-22 22:32:48,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:48,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965171848] [2024-11-22 22:32:48,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965171848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:48,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:48,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:48,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594174194] [2024-11-22 22:32:48,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:48,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:48,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:48,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:48,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,211 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:48,411 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2024-11-22 22:32:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:48,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-22 22:32:48,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:48,414 INFO L225 Difference]: With dead ends: 346 [2024-11-22 22:32:48,417 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 22:32:48,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,418 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:48,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 22:32:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 274. [2024-11-22 22:32:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.6282722513089005) internal successors, (311), 246 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 361 transitions. [2024-11-22 22:32:48,431 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 361 transitions. Word has length 41 [2024-11-22 22:32:48,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:48,433 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 361 transitions. [2024-11-22 22:32:48,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 361 transitions. [2024-11-22 22:32:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:32:48,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:48,434 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:48,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:32:48,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1454354715, now seen corresponding path program 1 times [2024-11-22 22:32:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655563952] [2024-11-22 22:32:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:48,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825514787] [2024-11-22 22:32:48,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:48,662 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) [2024-11-22 22:32:48,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:32:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:48,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:48,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:48,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:48,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655563952] [2024-11-22 22:32:48,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825514787] [2024-11-22 22:32:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825514787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:48,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:48,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:48,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170959402] [2024-11-22 22:32:48,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:48,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:48,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:48,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,805 INFO L87 Difference]: Start difference. First operand 274 states and 361 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:49,199 INFO L93 Difference]: Finished difference Result 346 states and 432 transitions. [2024-11-22 22:32:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:49,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-22 22:32:49,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:49,201 INFO L225 Difference]: With dead ends: 346 [2024-11-22 22:32:49,201 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 22:32:49,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,202 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 140 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:49,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 176 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 22:32:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 275. [2024-11-22 22:32:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.609375) internal successors, (309), 247 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2024-11-22 22:32:49,213 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 42 [2024-11-22 22:32:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:49,213 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2024-11-22 22:32:49,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:32:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2024-11-22 22:32:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:32:49,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:49,214 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:49,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:32:49,415 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,SelfDestructingSolverStorable7 [2024-11-22 22:32:49,416 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:49,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1348027140, now seen corresponding path program 1 times [2024-11-22 22:32:49,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636006634] [2024-11-22 22:32:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:49,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234278999] [2024-11-22 22:32:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:49,435 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) [2024-11-22 22:32:49,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:32:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:49,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:49,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:49,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:49,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:49,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636006634] [2024-11-22 22:32:49,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:49,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234278999] [2024-11-22 22:32:49,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234278999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:49,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:49,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:49,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489867797] [2024-11-22 22:32:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:49,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:49,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:49,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,547 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:49,717 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2024-11-22 22:32:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:49,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-22 22:32:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:49,719 INFO L225 Difference]: With dead ends: 297 [2024-11-22 22:32:49,720 INFO L226 Difference]: Without dead ends: 295 [2024-11-22 22:32:49,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,721 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 155 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:49,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:49,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-22 22:32:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 276. [2024-11-22 22:32:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 248 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-22 22:32:49,734 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 50 [2024-11-22 22:32:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:49,734 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-22 22:32:49,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-22 22:32:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:32:49,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:49,737 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:49,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:32:49,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,938 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:49,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:49,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1160831701, now seen corresponding path program 1 times [2024-11-22 22:32:49,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:49,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188794035] [2024-11-22 22:32:49,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:49,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914702004] [2024-11-22 22:32:49,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:49,967 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) [2024-11-22 22:32:49,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:32:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:50,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:50,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:50,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:50,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:50,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188794035] [2024-11-22 22:32:50,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:50,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914702004] [2024-11-22 22:32:50,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914702004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:50,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:50,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83772680] [2024-11-22 22:32:50,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:50,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:50,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,087 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:50,217 INFO L93 Difference]: Finished difference Result 297 states and 375 transitions. [2024-11-22 22:32:50,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:50,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-22 22:32:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:50,219 INFO L225 Difference]: With dead ends: 297 [2024-11-22 22:32:50,219 INFO L226 Difference]: Without dead ends: 295 [2024-11-22 22:32:50,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,220 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 207 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:50,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 155 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-22 22:32:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2024-11-22 22:32:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5824742268041236) internal successors, (307), 249 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 357 transitions. [2024-11-22 22:32:50,230 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 357 transitions. Word has length 51 [2024-11-22 22:32:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:50,231 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 357 transitions. [2024-11-22 22:32:50,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 357 transitions. [2024-11-22 22:32:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:32:50,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:50,231 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:50,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:50,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 22:32:50,436 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:50,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:50,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1626044446, now seen corresponding path program 1 times [2024-11-22 22:32:50,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:50,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127066901] [2024-11-22 22:32:50,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:50,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837310910] [2024-11-22 22:32:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:50,465 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) [2024-11-22 22:32:50,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:32:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:50,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:50,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:50,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127066901] [2024-11-22 22:32:50,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837310910] [2024-11-22 22:32:50,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837310910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:50,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:50,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:50,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628528561] [2024-11-22 22:32:50,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:50,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:50,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:50,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:50,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,556 INFO L87 Difference]: Start difference. First operand 277 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:32:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:50,775 INFO L93 Difference]: Finished difference Result 305 states and 364 transitions. [2024-11-22 22:32:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:50,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-22 22:32:50,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:50,776 INFO L225 Difference]: With dead ends: 305 [2024-11-22 22:32:50,776 INFO L226 Difference]: Without dead ends: 303 [2024-11-22 22:32:50,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,777 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:50,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 252 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:50,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-22 22:32:50,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 278. [2024-11-22 22:32:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.5692307692307692) internal successors, (306), 250 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2024-11-22 22:32:50,787 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 52 [2024-11-22 22:32:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:50,787 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2024-11-22 22:32:50,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:32:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2024-11-22 22:32:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:32:50,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:50,788 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:50,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:32:50,988 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,SelfDestructingSolverStorable10 [2024-11-22 22:32:50,989 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:50,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1132229641, now seen corresponding path program 1 times [2024-11-22 22:32:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:50,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516599704] [2024-11-22 22:32:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:51,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706331707] [2024-11-22 22:32:51,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:51,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:51,006 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) [2024-11-22 22:32:51,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:32:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:51,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:51,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:51,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:51,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:51,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516599704] [2024-11-22 22:32:51,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:51,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706331707] [2024-11-22 22:32:51,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706331707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:51,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:51,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:51,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010599222] [2024-11-22 22:32:51,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:51,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:51,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:51,128 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:32:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:51,577 INFO L93 Difference]: Finished difference Result 305 states and 361 transitions. [2024-11-22 22:32:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-22 22:32:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:51,579 INFO L225 Difference]: With dead ends: 305 [2024-11-22 22:32:51,579 INFO L226 Difference]: Without dead ends: 303 [2024-11-22 22:32:51,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:51,580 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:51,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 255 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-22 22:32:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 279. [2024-11-22 22:32:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 251 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2024-11-22 22:32:51,589 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 53 [2024-11-22 22:32:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:51,590 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-22 22:32:51,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:32:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2024-11-22 22:32:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 22:32:51,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:51,591 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:51,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:51,791 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,SelfDestructingSolverStorable11 [2024-11-22 22:32:51,791 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:51,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1673162558, now seen corresponding path program 1 times [2024-11-22 22:32:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:51,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990529636] [2024-11-22 22:32:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:51,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:51,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:51,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990529636] [2024-11-22 22:32:51,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990529636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:51,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:51,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:51,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852301463] [2024-11-22 22:32:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:51,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:51,901 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:51,940 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-11-22 22:32:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-22 22:32:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:51,942 INFO L225 Difference]: With dead ends: 279 [2024-11-22 22:32:51,942 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:51,943 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 [2024-11-22 22:32:51,944 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:51,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:32:51,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:51,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 196 states have (on average 1.5255102040816326) internal successors, (299), 249 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 349 transitions. [2024-11-22 22:32:51,953 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 349 transitions. Word has length 60 [2024-11-22 22:32:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:51,954 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 349 transitions. [2024-11-22 22:32:51,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 349 transitions. [2024-11-22 22:32:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 22:32:51,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:51,955 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:51,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:32:51,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:51,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:51,956 INFO L85 PathProgramCache]: Analyzing trace with hash 328431874, now seen corresponding path program 1 times [2024-11-22 22:32:51,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:51,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325933617] [2024-11-22 22:32:51,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:51,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325933617] [2024-11-22 22:32:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325933617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:51,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:51,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:51,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519623844] [2024-11-22 22:32:51,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:51,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:51,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:51,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:51,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:51,998 INFO L87 Difference]: Start difference. First operand 277 states and 349 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:52,047 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions. [2024-11-22 22:32:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:52,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-22 22:32:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:52,050 INFO L225 Difference]: With dead ends: 277 [2024-11-22 22:32:52,050 INFO L226 Difference]: Without dead ends: 275 [2024-11-22 22:32:52,051 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 [2024-11-22 22:32:52,051 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:52,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 208 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:32:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-22 22:32:52,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-22 22:32:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 196 states have (on average 1.4846938775510203) internal successors, (291), 247 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 341 transitions. [2024-11-22 22:32:52,059 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 341 transitions. Word has length 61 [2024-11-22 22:32:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:52,060 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 341 transitions. [2024-11-22 22:32:52,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 341 transitions. [2024-11-22 22:32:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:32:52,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:52,060 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:52,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:32:52,061 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:52,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1591481438, now seen corresponding path program 1 times [2024-11-22 22:32:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:52,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186843898] [2024-11-22 22:32:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:52,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186843898] [2024-11-22 22:32:52,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186843898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:52,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:52,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:32:52,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027221582] [2024-11-22 22:32:52,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:52,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:32:52,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:52,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:32:52,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:32:52,142 INFO L87 Difference]: Start difference. First operand 275 states and 341 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:52,683 INFO L93 Difference]: Finished difference Result 278 states and 344 transitions. [2024-11-22 22:32:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:32:52,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-22 22:32:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:52,685 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:32:52,685 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:52,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:32:52,686 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:52,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:32:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.47979797979798) internal successors, (293), 249 states have internal predecessors, (293), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2024-11-22 22:32:52,694 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 62 [2024-11-22 22:32:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:52,695 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2024-11-22 22:32:52,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2024-11-22 22:32:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:32:52,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:52,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:52,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:32:52,696 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:52,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1591495340, now seen corresponding path program 1 times [2024-11-22 22:32:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:52,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434151634] [2024-11-22 22:32:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:52,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:52,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434151634] [2024-11-22 22:32:52,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434151634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:52,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:52,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:32:52,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817797276] [2024-11-22 22:32:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:52,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:32:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:32:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:32:52,756 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,191 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2024-11-22 22:32:53,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:32:53,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-22 22:32:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:53,193 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:32:53,193 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:53,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:32:53,193 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:53,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.4747474747474747) internal successors, (292), 249 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 342 transitions. [2024-11-22 22:32:53,203 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 342 transitions. Word has length 62 [2024-11-22 22:32:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:53,203 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 342 transitions. [2024-11-22 22:32:53,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 342 transitions. [2024-11-22 22:32:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:32:53,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:53,204 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:53,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:32:53,204 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:53,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:53,204 INFO L85 PathProgramCache]: Analyzing trace with hash -320361720, now seen corresponding path program 1 times [2024-11-22 22:32:53,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:53,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226021401] [2024-11-22 22:32:53,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:53,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:53,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226021401] [2024-11-22 22:32:53,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226021401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:53,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:53,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:53,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423325222] [2024-11-22 22:32:53,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:53,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:53,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:53,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:53,252 INFO L87 Difference]: Start difference. First operand 277 states and 342 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,410 INFO L93 Difference]: Finished difference Result 334 states and 410 transitions. [2024-11-22 22:32:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:53,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2024-11-22 22:32:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:53,412 INFO L225 Difference]: With dead ends: 334 [2024-11-22 22:32:53,412 INFO L226 Difference]: Without dead ends: 330 [2024-11-22 22:32:53,413 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 [2024-11-22 22:32:53,413 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:53,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-22 22:32:53,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 287. [2024-11-22 22:32:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 259 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-22 22:32:53,423 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 65 [2024-11-22 22:32:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:53,423 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-22 22:32:53,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-22 22:32:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:32:53,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:53,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:53,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:32:53,425 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:53,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:53,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1429265646, now seen corresponding path program 1 times [2024-11-22 22:32:53,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354058376] [2024-11-22 22:32:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:53,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068997423] [2024-11-22 22:32:53,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:53,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:53,440 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) [2024-11-22 22:32:53,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:32:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:53,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:32:53,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:53,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:53,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:53,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354058376] [2024-11-22 22:32:53,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:53,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068997423] [2024-11-22 22:32:53,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068997423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:53,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:53,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:32:53,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666174261] [2024-11-22 22:32:53,872 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:53,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:53,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:53,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:53,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:53,873 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:53,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,999 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2024-11-22 22:32:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:53,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-22 22:32:54,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:54,001 INFO L225 Difference]: With dead ends: 328 [2024-11-22 22:32:54,001 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 22:32:54,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,002 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 72 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:54,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 22:32:54,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2024-11-22 22:32:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 260 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2024-11-22 22:32:54,014 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 68 [2024-11-22 22:32:54,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:54,015 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2024-11-22 22:32:54,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2024-11-22 22:32:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:32:54,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:54,016 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:54,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:32:54,216 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,SelfDestructingSolverStorable17 [2024-11-22 22:32:54,217 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:54,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:54,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1357562015, now seen corresponding path program 1 times [2024-11-22 22:32:54,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:54,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588197133] [2024-11-22 22:32:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:54,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189644577] [2024-11-22 22:32:54,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:54,244 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:54,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:32:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:54,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:32:54,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:54,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:54,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:54,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588197133] [2024-11-22 22:32:54,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:54,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189644577] [2024-11-22 22:32:54,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189644577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:54,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:54,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:32:54,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060580555] [2024-11-22 22:32:54,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:54,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:54,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:54,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,546 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:54,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:54,797 INFO L93 Difference]: Finished difference Result 328 states and 402 transitions. [2024-11-22 22:32:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:54,800 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2024-11-22 22:32:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:54,801 INFO L225 Difference]: With dead ends: 328 [2024-11-22 22:32:54,801 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 22:32:54,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,802 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:54,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 193 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 22:32:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 289. [2024-11-22 22:32:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4428571428571428) internal successors, (303), 261 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 353 transitions. [2024-11-22 22:32:54,813 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 353 transitions. Word has length 69 [2024-11-22 22:32:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:54,814 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 353 transitions. [2024-11-22 22:32:54,814 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 353 transitions. [2024-11-22 22:32:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:32:54,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:54,815 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:54,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:55,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:55,016 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:55,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:55,016 INFO L85 PathProgramCache]: Analyzing trace with hash 436284631, now seen corresponding path program 1 times [2024-11-22 22:32:55,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:55,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422173079] [2024-11-22 22:32:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:55,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:55,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422173079] [2024-11-22 22:32:55,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422173079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:55,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500970491] [2024-11-22 22:32:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:55,298 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) [2024-11-22 22:32:55,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:32:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:55,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:55,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:32:55,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:55,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500970491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:55,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:55,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:32:55,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340893436] [2024-11-22 22:32:55,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:55,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:55,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:55,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:32:55,484 INFO L87 Difference]: Start difference. First operand 289 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:32:55,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:55,764 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2024-11-22 22:32:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:32:55,764 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-22 22:32:55,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:55,765 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:32:55,766 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:55,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:32:55,766 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:55,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 137 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:32:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:55,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-22 22:32:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 262 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2024-11-22 22:32:55,776 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 73 [2024-11-22 22:32:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:55,777 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2024-11-22 22:32:55,777 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:32:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2024-11-22 22:32:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:32:55,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:55,778 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:55,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:32:55,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:55,982 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:55,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:55,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1717877034, now seen corresponding path program 1 times [2024-11-22 22:32:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786429540] [2024-11-22 22:32:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:55,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598694924] [2024-11-22 22:32:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:55,996 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) [2024-11-22 22:32:55,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:32:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:56,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 22:32:56,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:56,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786429540] [2024-11-22 22:32:56,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598694924] [2024-11-22 22:32:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598694924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:56,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:56,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147408374] [2024-11-22 22:32:56,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:56,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:56,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:56,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:56,111 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:56,373 INFO L93 Difference]: Finished difference Result 341 states and 398 transitions. [2024-11-22 22:32:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:56,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-22 22:32:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:56,379 INFO L225 Difference]: With dead ends: 341 [2024-11-22 22:32:56,379 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:32:56,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:56,380 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 74 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:56,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 220 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:32:56,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 290. [2024-11-22 22:32:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 262 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2024-11-22 22:32:56,404 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 72 [2024-11-22 22:32:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:56,404 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2024-11-22 22:32:56,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2024-11-22 22:32:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 22:32:56,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:56,406 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:56,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:32:56,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:56,607 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:56,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash 639921818, now seen corresponding path program 1 times [2024-11-22 22:32:56,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:56,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920917971] [2024-11-22 22:32:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920917971] [2024-11-22 22:32:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920917971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:56,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708340724] [2024-11-22 22:32:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:56,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:56,794 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:56,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:32:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:56,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:32:56,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:56,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708340724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:56,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:56,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-22 22:32:56,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161732816] [2024-11-22 22:32:56,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:56,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:56,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:56,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:56,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:32:56,972 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:32:57,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:57,234 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2024-11-22 22:32:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:57,235 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-22 22:32:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:57,236 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:32:57,236 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:57,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:32:57,237 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 59 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:57,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 143 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:57,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-11-22 22:32:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 263 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 352 transitions. [2024-11-22 22:32:57,248 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 352 transitions. Word has length 74 [2024-11-22 22:32:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:57,249 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 352 transitions. [2024-11-22 22:32:57,249 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:32:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 352 transitions. [2024-11-22 22:32:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:32:57,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:57,250 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:57,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:57,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:57,450 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:57,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1714580443, now seen corresponding path program 1 times [2024-11-22 22:32:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314054326] [2024-11-22 22:32:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:57,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637222509] [2024-11-22 22:32:57,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:57,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:57,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:57,464 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:57,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:32:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:57,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:57,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:57,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:57,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:57,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314054326] [2024-11-22 22:32:57,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:57,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637222509] [2024-11-22 22:32:57,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637222509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:57,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:57,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:57,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100312281] [2024-11-22 22:32:57,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:57,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:57,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:57,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:57,612 INFO L87 Difference]: Start difference. First operand 291 states and 352 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:57,830 INFO L93 Difference]: Finished difference Result 343 states and 395 transitions. [2024-11-22 22:32:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:57,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-22 22:32:57,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:57,836 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:32:57,836 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:32:57,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:57,836 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 110 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:57,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 175 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:32:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2024-11-22 22:32:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 266 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 355 transitions. [2024-11-22 22:32:57,849 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 355 transitions. Word has length 73 [2024-11-22 22:32:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:57,849 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 355 transitions. [2024-11-22 22:32:57,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:32:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 355 transitions. [2024-11-22 22:32:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 22:32:57,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:57,850 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:57,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:58,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:58,055 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:58,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash -729712663, now seen corresponding path program 1 times [2024-11-22 22:32:58,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:58,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3768161] [2024-11-22 22:32:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103868709] [2024-11-22 22:32:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:58,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:58,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:58,073 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:58,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:32:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:58,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:32:58,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:58,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:58,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:58,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3768161] [2024-11-22 22:32:58,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:58,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103868709] [2024-11-22 22:32:58,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103868709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:58,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:58,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:32:58,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977150479] [2024-11-22 22:32:58,543 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:58,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:32:58,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:58,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:32:58,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:32:58,544 INFO L87 Difference]: Start difference. First operand 294 states and 355 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:32:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:59,197 INFO L93 Difference]: Finished difference Result 458 states and 587 transitions. [2024-11-22 22:32:59,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:32:59,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-22 22:32:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:59,199 INFO L225 Difference]: With dead ends: 458 [2024-11-22 22:32:59,199 INFO L226 Difference]: Without dead ends: 456 [2024-11-22 22:32:59,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:32:59,200 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 461 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:59,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 411 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:32:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-22 22:32:59,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 364. [2024-11-22 22:32:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 277 states have (on average 1.4548736462093863) internal successors, (403), 328 states have internal predecessors, (403), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:32:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 469 transitions. [2024-11-22 22:32:59,216 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 469 transitions. Word has length 79 [2024-11-22 22:32:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:59,217 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 469 transitions. [2024-11-22 22:32:59,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:32:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 469 transitions. [2024-11-22 22:32:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:32:59,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:59,218 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-22 22:32:59,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:59,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:59,418 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:59,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1146256009, now seen corresponding path program 1 times [2024-11-22 22:32:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:59,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973439197] [2024-11-22 22:32:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:59,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792495590] [2024-11-22 22:32:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:59,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:59,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:59,435 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:59,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:32:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:59,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:32:59,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:59,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:59,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973439197] [2024-11-22 22:32:59,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792495590] [2024-11-22 22:32:59,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792495590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:59,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:59,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:32:59,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590904309] [2024-11-22 22:32:59,976 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:59,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:32:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:59,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:32:59,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:32:59,977 INFO L87 Difference]: Start difference. First operand 364 states and 469 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:00,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:00,703 INFO L93 Difference]: Finished difference Result 478 states and 617 transitions. [2024-11-22 22:33:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:33:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-11-22 22:33:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:00,706 INFO L225 Difference]: With dead ends: 478 [2024-11-22 22:33:00,706 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 22:33:00,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:33:00,707 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 437 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:00,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 350 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 22:33:00,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 424. [2024-11-22 22:33:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 331 states have (on average 1.486404833836858) internal successors, (492), 382 states have internal predecessors, (492), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:33:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 570 transitions. [2024-11-22 22:33:00,732 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 570 transitions. Word has length 80 [2024-11-22 22:33:00,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:00,734 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 570 transitions. [2024-11-22 22:33:00,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 570 transitions. [2024-11-22 22:33:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-22 22:33:00,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:00,735 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-22 22:33:00,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:33:00,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 22:33:00,937 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:00,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:00,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1174197845, now seen corresponding path program 1 times [2024-11-22 22:33:00,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:00,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992100976] [2024-11-22 22:33:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:00,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740537211] [2024-11-22 22:33:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:00,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:00,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:00,956 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:00,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:33:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:00,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:00,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:01,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992100976] [2024-11-22 22:33:01,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740537211] [2024-11-22 22:33:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740537211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:01,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:01,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:01,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515313846] [2024-11-22 22:33:01,406 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:01,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:01,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:01,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:01,408 INFO L87 Difference]: Start difference. First operand 424 states and 570 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:02,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:02,017 INFO L93 Difference]: Finished difference Result 470 states and 603 transitions. [2024-11-22 22:33:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:02,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-11-22 22:33:02,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:02,020 INFO L225 Difference]: With dead ends: 470 [2024-11-22 22:33:02,020 INFO L226 Difference]: Without dead ends: 464 [2024-11-22 22:33:02,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:02,021 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 317 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:02,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 340 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:02,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-22 22:33:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2024-11-22 22:33:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 329 states have (on average 1.446808510638298) internal successors, (476), 380 states have internal predecessors, (476), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:33:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 554 transitions. [2024-11-22 22:33:02,036 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 554 transitions. Word has length 81 [2024-11-22 22:33:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:02,037 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 554 transitions. [2024-11-22 22:33:02,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 554 transitions. [2024-11-22 22:33:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 22:33:02,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:02,037 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-22 22:33:02,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-22 22:33:02,241 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:02,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2040394759, now seen corresponding path program 1 times [2024-11-22 22:33:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:02,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767966323] [2024-11-22 22:33:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:02,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142011371] [2024-11-22 22:33:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:02,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:02,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:02,262 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:02,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:33:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:02,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:02,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:02,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767966323] [2024-11-22 22:33:02,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142011371] [2024-11-22 22:33:02,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142011371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:02,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:02,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:02,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221461213] [2024-11-22 22:33:02,836 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:02,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:02,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:02,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:02,836 INFO L87 Difference]: Start difference. First operand 422 states and 554 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:03,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:03,482 INFO L93 Difference]: Finished difference Result 524 states and 689 transitions. [2024-11-22 22:33:03,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:03,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 82 [2024-11-22 22:33:03,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:03,485 INFO L225 Difference]: With dead ends: 524 [2024-11-22 22:33:03,485 INFO L226 Difference]: Without dead ends: 522 [2024-11-22 22:33:03,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:03,485 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 444 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:03,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 259 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-22 22:33:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 457. [2024-11-22 22:33:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 360 states have (on average 1.4416666666666667) internal successors, (519), 411 states have internal predecessors, (519), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-22 22:33:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2024-11-22 22:33:03,531 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 82 [2024-11-22 22:33:03,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:03,531 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2024-11-22 22:33:03,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2024-11-22 22:33:03,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:33:03,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:03,531 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-22 22:33:03,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:03,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:33:03,732 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:03,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:03,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1172271981, now seen corresponding path program 1 times [2024-11-22 22:33:03,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:03,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378721993] [2024-11-22 22:33:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:03,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:03,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107204520] [2024-11-22 22:33:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:03,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:03,749 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:03,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:33:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:03,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-22 22:33:03,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:04,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:33:04,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:04,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378721993] [2024-11-22 22:33:04,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:04,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107204520] [2024-11-22 22:33:04,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107204520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:04,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:04,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-11-22 22:33:04,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919730029] [2024-11-22 22:33:04,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:04,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:33:04,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:04,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:33:04,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:04,621 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:33:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:06,265 INFO L93 Difference]: Finished difference Result 579 states and 777 transitions. [2024-11-22 22:33:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:33:06,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 83 [2024-11-22 22:33:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:06,267 INFO L225 Difference]: With dead ends: 579 [2024-11-22 22:33:06,267 INFO L226 Difference]: Without dead ends: 572 [2024-11-22 22:33:06,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:33:06,268 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 695 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:06,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 309 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 22:33:06,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-22 22:33:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 540. [2024-11-22 22:33:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 438 states have (on average 1.4155251141552512) internal successors, (620), 488 states have internal predecessors, (620), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-22 22:33:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 718 transitions. [2024-11-22 22:33:06,291 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 718 transitions. Word has length 83 [2024-11-22 22:33:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:06,291 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 718 transitions. [2024-11-22 22:33:06,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:33:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 718 transitions. [2024-11-22 22:33:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:33:06,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:06,292 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-22 22:33:06,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:33:06,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:06,497 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:06,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:06,497 INFO L85 PathProgramCache]: Analyzing trace with hash 14248968, now seen corresponding path program 1 times [2024-11-22 22:33:06,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:06,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24071782] [2024-11-22 22:33:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:06,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108287983] [2024-11-22 22:33:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:06,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:06,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:06,509 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:06,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:33:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:06,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:33:06,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:33:06,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:06,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24071782] [2024-11-22 22:33:06,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:06,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108287983] [2024-11-22 22:33:06,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108287983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:06,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:06,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:33:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569832734] [2024-11-22 22:33:06,986 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:06,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:06,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:06,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:06,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:06,987 INFO L87 Difference]: Start difference. First operand 540 states and 718 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:07,667 INFO L93 Difference]: Finished difference Result 676 states and 912 transitions. [2024-11-22 22:33:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:07,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2024-11-22 22:33:07,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:07,670 INFO L225 Difference]: With dead ends: 676 [2024-11-22 22:33:07,670 INFO L226 Difference]: Without dead ends: 674 [2024-11-22 22:33:07,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:33:07,671 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 456 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:07,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 371 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-22 22:33:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 643. [2024-11-22 22:33:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 530 states have (on average 1.4377358490566037) internal successors, (762), 580 states have internal predecessors, (762), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-22 22:33:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2024-11-22 22:33:07,706 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 90 [2024-11-22 22:33:07,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:07,706 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2024-11-22 22:33:07,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2024-11-22 22:33:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 22:33:07,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:07,707 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-22 22:33:07,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-22 22:33:07,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:33:07,911 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:07,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash 441718085, now seen corresponding path program 1 times [2024-11-22 22:33:07,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:07,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028388330] [2024-11-22 22:33:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:07,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018680892] [2024-11-22 22:33:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:07,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:07,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:07,927 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:07,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:33:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:07,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:33:07,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:33:08,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:09,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028388330] [2024-11-22 22:33:09,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:09,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018680892] [2024-11-22 22:33:09,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018680892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:09,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:09,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:33:09,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835072044] [2024-11-22 22:33:09,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:09,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:09,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:09,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:09,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=138, Unknown=1, NotChecked=0, Total=182 [2024-11-22 22:33:09,813 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:10,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:10,681 INFO L93 Difference]: Finished difference Result 678 states and 915 transitions. [2024-11-22 22:33:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:33:10,682 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 91 [2024-11-22 22:33:10,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:10,683 INFO L225 Difference]: With dead ends: 678 [2024-11-22 22:33:10,684 INFO L226 Difference]: Without dead ends: 671 [2024-11-22 22:33:10,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=162, Invalid=389, Unknown=1, NotChecked=0, Total=552 [2024-11-22 22:33:10,684 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 575 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:10,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 338 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-22 22:33:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 637. [2024-11-22 22:33:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 530 states have (on average 1.4056603773584906) internal successors, (745), 574 states have internal predecessors, (745), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-22 22:33:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 865 transitions. [2024-11-22 22:33:10,713 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 865 transitions. Word has length 91 [2024-11-22 22:33:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:10,713 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 865 transitions. [2024-11-22 22:33:10,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 865 transitions. [2024-11-22 22:33:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:33:10,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:10,714 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-22 22:33:10,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:10,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:10,915 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:10,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash 808358826, now seen corresponding path program 1 times [2024-11-22 22:33:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503597156] [2024-11-22 22:33:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:10,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:10,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730043213] [2024-11-22 22:33:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:10,926 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:10,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:33:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:10,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:33:10,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 22:33:11,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:11,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503597156] [2024-11-22 22:33:11,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730043213] [2024-11-22 22:33:11,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730043213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:11,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:11,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:33:11,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415287048] [2024-11-22 22:33:11,259 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:11,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:11,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:11,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:11,260 INFO L87 Difference]: Start difference. First operand 637 states and 865 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:11,453 INFO L93 Difference]: Finished difference Result 637 states and 865 transitions. [2024-11-22 22:33:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:33:11,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-11-22 22:33:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:11,455 INFO L225 Difference]: With dead ends: 637 [2024-11-22 22:33:11,456 INFO L226 Difference]: Without dead ends: 631 [2024-11-22 22:33:11,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:11,456 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 97 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:11,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 186 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:33:11,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-22 22:33:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 554. [2024-11-22 22:33:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 460 states have (on average 1.3413043478260869) internal successors, (617), 498 states have internal predecessors, (617), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-22 22:33:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 723 transitions. [2024-11-22 22:33:11,481 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 723 transitions. Word has length 92 [2024-11-22 22:33:11,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:11,482 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 723 transitions. [2024-11-22 22:33:11,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 723 transitions. [2024-11-22 22:33:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:33:11,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:11,482 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-22 22:33:11,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:11,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-22 22:33:11,687 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:11,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:11,687 INFO L85 PathProgramCache]: Analyzing trace with hash -710680089, now seen corresponding path program 1 times [2024-11-22 22:33:11,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:11,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108657657] [2024-11-22 22:33:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:11,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932077879] [2024-11-22 22:33:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:11,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:11,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:11,705 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:11,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:33:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:11,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:33:11,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 22:33:11,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:12,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:12,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108657657] [2024-11-22 22:33:12,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:12,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932077879] [2024-11-22 22:33:12,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932077879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:12,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:12,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:33:12,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818553643] [2024-11-22 22:33:12,196 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:12,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:12,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:12,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:12,197 INFO L87 Difference]: Start difference. First operand 554 states and 723 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:12,502 INFO L93 Difference]: Finished difference Result 661 states and 869 transitions. [2024-11-22 22:33:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:33:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 93 [2024-11-22 22:33:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:12,505 INFO L225 Difference]: With dead ends: 661 [2024-11-22 22:33:12,505 INFO L226 Difference]: Without dead ends: 659 [2024-11-22 22:33:12,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:12,505 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 243 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:12,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 279 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-22 22:33:12,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 611. [2024-11-22 22:33:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 511 states have (on average 1.365949119373777) internal successors, (698), 549 states have internal predecessors, (698), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-22 22:33:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 816 transitions. [2024-11-22 22:33:12,544 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 816 transitions. Word has length 93 [2024-11-22 22:33:12,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:12,544 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 816 transitions. [2024-11-22 22:33:12,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 816 transitions. [2024-11-22 22:33:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-22 22:33:12,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:12,545 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-22 22:33:12,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:12,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:12,750 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:12,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash -556246196, now seen corresponding path program 1 times [2024-11-22 22:33:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:12,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771589404] [2024-11-22 22:33:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:12,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334010120] [2024-11-22 22:33:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:12,765 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:12,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:33:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:12,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:33:12,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:33:13,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:33:13,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:13,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771589404] [2024-11-22 22:33:13,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:13,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334010120] [2024-11-22 22:33:13,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334010120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:13,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:13,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:33:13,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321609632] [2024-11-22 22:33:13,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:13,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:33:13,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:13,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:33:13,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:13,480 INFO L87 Difference]: Start difference. First operand 611 states and 816 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:33:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:14,803 INFO L93 Difference]: Finished difference Result 686 states and 916 transitions. [2024-11-22 22:33:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:33:14,804 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 94 [2024-11-22 22:33:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:14,807 INFO L225 Difference]: With dead ends: 686 [2024-11-22 22:33:14,807 INFO L226 Difference]: Without dead ends: 655 [2024-11-22 22:33:14,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:33:14,811 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 645 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:14,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 224 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:33:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-22 22:33:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 634. [2024-11-22 22:33:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 534 states have (on average 1.3707865168539326) internal successors, (732), 571 states have internal predecessors, (732), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-22 22:33:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 852 transitions. [2024-11-22 22:33:14,869 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 852 transitions. Word has length 94 [2024-11-22 22:33:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:14,869 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 852 transitions. [2024-11-22 22:33:14,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:33:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 852 transitions. [2024-11-22 22:33:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 22:33:14,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:14,870 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:14,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:15,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:15,073 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:15,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:15,074 INFO L85 PathProgramCache]: Analyzing trace with hash -63762807, now seen corresponding path program 1 times [2024-11-22 22:33:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:15,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000816377] [2024-11-22 22:33:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:15,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19514113] [2024-11-22 22:33:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:15,090 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:15,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:33:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:15,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-22 22:33:15,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:33:15,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:33:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:16,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000816377] [2024-11-22 22:33:16,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:16,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19514113] [2024-11-22 22:33:16,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19514113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:16,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-11-22 22:33:16,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36238519] [2024-11-22 22:33:16,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:16,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:33:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:16,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:33:16,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:33:16,122 INFO L87 Difference]: Start difference. First operand 634 states and 852 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-22 22:33:19,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 22:33:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:20,150 INFO L93 Difference]: Finished difference Result 792 states and 1082 transitions. [2024-11-22 22:33:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:33:20,151 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 95 [2024-11-22 22:33:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:20,153 INFO L225 Difference]: With dead ends: 792 [2024-11-22 22:33:20,153 INFO L226 Difference]: Without dead ends: 790 [2024-11-22 22:33:20,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:33:20,154 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 965 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:20,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 366 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-22 22:33:20,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-22 22:33:20,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 703. [2024-11-22 22:33:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 598 states have (on average 1.3846153846153846) internal successors, (828), 634 states have internal predecessors, (828), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-22 22:33:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 960 transitions. [2024-11-22 22:33:20,201 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 960 transitions. Word has length 95 [2024-11-22 22:33:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:20,201 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 960 transitions. [2024-11-22 22:33:20,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-22 22:33:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 960 transitions. [2024-11-22 22:33:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:33:20,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:20,202 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:20,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-22 22:33:20,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:20,403 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:20,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1880695820, now seen corresponding path program 1 times [2024-11-22 22:33:20,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:20,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515812531] [2024-11-22 22:33:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:20,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:20,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515812531] [2024-11-22 22:33:20,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515812531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:20,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126423118] [2024-11-22 22:33:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:20,488 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:20,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:33:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:20,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:33:20,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:20,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:20,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126423118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:20,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:20,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-22 22:33:20,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146365857] [2024-11-22 22:33:20,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:20,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:33:20,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:33:20,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:20,768 INFO L87 Difference]: Start difference. First operand 703 states and 960 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-22 22:33:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:21,497 INFO L93 Difference]: Finished difference Result 1037 states and 1398 transitions. [2024-11-22 22:33:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-22 22:33:21,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-22 22:33:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:21,501 INFO L225 Difference]: With dead ends: 1037 [2024-11-22 22:33:21,501 INFO L226 Difference]: Without dead ends: 1036 [2024-11-22 22:33:21,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:33:21,502 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 1168 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:21,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 644 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:21,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-22 22:33:21,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 814. [2024-11-22 22:33:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 697 states have (on average 1.4088952654232425) internal successors, (982), 733 states have internal predecessors, (982), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-22 22:33:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1138 transitions. [2024-11-22 22:33:21,557 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1138 transitions. Word has length 104 [2024-11-22 22:33:21,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:21,557 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1138 transitions. [2024-11-22 22:33:21,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-22 22:33:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1138 transitions. [2024-11-22 22:33:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:33:21,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:21,558 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:21,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:21,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:33:21,759 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:21,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash -245279220, now seen corresponding path program 1 times [2024-11-22 22:33:21,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:21,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127688565] [2024-11-22 22:33:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:21,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:21,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127688565] [2024-11-22 22:33:21,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127688565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664428210] [2024-11-22 22:33:21,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:21,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:21,845 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:21,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:33:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:21,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:33:21,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:22,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:22,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664428210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:22,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:22,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-22 22:33:22,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118956619] [2024-11-22 22:33:22,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:22,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:33:22,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:22,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:33:22,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:33:22,157 INFO L87 Difference]: Start difference. First operand 814 states and 1138 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:33:22,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:22,999 INFO L93 Difference]: Finished difference Result 1338 states and 1831 transitions. [2024-11-22 22:33:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:33:23,000 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 104 [2024-11-22 22:33:23,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:23,003 INFO L225 Difference]: With dead ends: 1338 [2024-11-22 22:33:23,003 INFO L226 Difference]: Without dead ends: 1337 [2024-11-22 22:33:23,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:33:23,004 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 870 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:23,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 644 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:23,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-11-22 22:33:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1033. [2024-11-22 22:33:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 895 states have (on average 1.4391061452513967) internal successors, (1288), 931 states have internal predecessors, (1288), 99 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-22 22:33:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1486 transitions. [2024-11-22 22:33:23,062 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1486 transitions. Word has length 104 [2024-11-22 22:33:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:23,063 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1486 transitions. [2024-11-22 22:33:23,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:33:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1486 transitions. [2024-11-22 22:33:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 22:33:23,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:23,063 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2024-11-22 22:33:23,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:23,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-22 22:33:23,264 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:23,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash 986709848, now seen corresponding path program 1 times [2024-11-22 22:33:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:23,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437371459] [2024-11-22 22:33:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437371459] [2024-11-22 22:33:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437371459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173265452] [2024-11-22 22:33:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:23,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:23,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:23,322 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:23,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:33:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:23,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:33:23,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:23,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:23,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173265452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:23,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:23,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:33:23,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512748273] [2024-11-22 22:33:23,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:23,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:33:23,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:23,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:33:23,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:23,635 INFO L87 Difference]: Start difference. First operand 1033 states and 1486 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:24,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:24,059 INFO L93 Difference]: Finished difference Result 1608 states and 2331 transitions. [2024-11-22 22:33:24,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:24,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2024-11-22 22:33:24,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:24,063 INFO L225 Difference]: With dead ends: 1608 [2024-11-22 22:33:24,063 INFO L226 Difference]: Without dead ends: 1606 [2024-11-22 22:33:24,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:24,064 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 264 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:24,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 310 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2024-11-22 22:33:24,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1308. [2024-11-22 22:33:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1143 states have (on average 1.4496937882764653) internal successors, (1657), 1179 states have internal predecessors, (1657), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-22 22:33:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1909 transitions. [2024-11-22 22:33:24,150 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1909 transitions. Word has length 105 [2024-11-22 22:33:24,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:24,150 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1909 transitions. [2024-11-22 22:33:24,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1909 transitions. [2024-11-22 22:33:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 22:33:24,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:24,151 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:24,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:24,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:24,352 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:24,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:24,352 INFO L85 PathProgramCache]: Analyzing trace with hash -453257816, now seen corresponding path program 1 times [2024-11-22 22:33:24,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:24,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747200900] [2024-11-22 22:33:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:24,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747200900] [2024-11-22 22:33:24,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747200900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:24,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705665779] [2024-11-22 22:33:24,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:24,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:24,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:24,426 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:24,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:33:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:24,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:33:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705665779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:24,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:24,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:33:24,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875810455] [2024-11-22 22:33:24,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:24,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:33:24,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:24,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:33:24,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:24,692 INFO L87 Difference]: Start difference. First operand 1308 states and 1909 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:25,114 INFO L93 Difference]: Finished difference Result 1860 states and 2725 transitions. [2024-11-22 22:33:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:25,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 107 [2024-11-22 22:33:25,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:25,120 INFO L225 Difference]: With dead ends: 1860 [2024-11-22 22:33:25,120 INFO L226 Difference]: Without dead ends: 1858 [2024-11-22 22:33:25,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:25,121 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 309 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:25,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 266 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:25,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2024-11-22 22:33:25,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1501. [2024-11-22 22:33:25,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1317 states have (on average 1.4449506454062262) internal successors, (1903), 1353 states have internal predecessors, (1903), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-22 22:33:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2193 transitions. [2024-11-22 22:33:25,235 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2193 transitions. Word has length 107 [2024-11-22 22:33:25,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:25,236 INFO L471 AbstractCegarLoop]: Abstraction has 1501 states and 2193 transitions. [2024-11-22 22:33:25,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2193 transitions. [2024-11-22 22:33:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:33:25,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:25,237 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:25,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:25,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-22 22:33:25,438 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:25,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:25,438 INFO L85 PathProgramCache]: Analyzing trace with hash -577014670, now seen corresponding path program 1 times [2024-11-22 22:33:25,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:25,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753387805] [2024-11-22 22:33:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:25,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-22 22:33:25,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753387805] [2024-11-22 22:33:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753387805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311982075] [2024-11-22 22:33:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:25,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:25,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:25,636 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:25,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:33:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:25,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:33:25,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-22 22:33:25,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-22 22:33:25,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311982075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:25,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:25,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2024-11-22 22:33:25,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725555671] [2024-11-22 22:33:25,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:25,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:33:25,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:25,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:33:25,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:25,933 INFO L87 Difference]: Start difference. First operand 1501 states and 2193 transitions. Second operand has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2024-11-22 22:33:26,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:26,372 INFO L93 Difference]: Finished difference Result 1559 states and 2220 transitions. [2024-11-22 22:33:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:33:26,372 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) Word has length 110 [2024-11-22 22:33:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:26,374 INFO L225 Difference]: With dead ends: 1559 [2024-11-22 22:33:26,374 INFO L226 Difference]: Without dead ends: 706 [2024-11-22 22:33:26,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:33:26,376 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 469 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:26,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 675 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-22 22:33:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 689. [2024-11-22 22:33:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 586 states have (on average 1.2918088737201365) internal successors, (757), 618 states have internal predecessors, (757), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-22 22:33:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 893 transitions. [2024-11-22 22:33:26,417 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 893 transitions. Word has length 110 [2024-11-22 22:33:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:26,417 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 893 transitions. [2024-11-22 22:33:26,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2024-11-22 22:33:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 893 transitions. [2024-11-22 22:33:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:33:26,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:26,418 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:26,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-22 22:33:26,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:33:26,622 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:26,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:26,623 INFO L85 PathProgramCache]: Analyzing trace with hash 667316978, now seen corresponding path program 2 times [2024-11-22 22:33:26,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:26,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918682285] [2024-11-22 22:33:26,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:26,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:26,642 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:26,642 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-22 22:33:27,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:27,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918682285] [2024-11-22 22:33:27,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918682285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:27,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123664967] [2024-11-22 22:33:27,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:27,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:27,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:27,028 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:27,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:33:27,071 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:27,072 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:27,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:33:27,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:27,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:27,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123664967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:27,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:27,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2024-11-22 22:33:27,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94827715] [2024-11-22 22:33:27,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:27,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:33:27,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:27,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:33:27,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:27,451 INFO L87 Difference]: Start difference. First operand 689 states and 893 transitions. Second operand has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:33:28,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:28,738 INFO L93 Difference]: Finished difference Result 759 states and 942 transitions. [2024-11-22 22:33:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:33:28,738 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) Word has length 110 [2024-11-22 22:33:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:28,740 INFO L225 Difference]: With dead ends: 759 [2024-11-22 22:33:28,740 INFO L226 Difference]: Without dead ends: 573 [2024-11-22 22:33:28,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:33:28,741 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 420 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:28,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 446 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:33:28,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-22 22:33:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 541. [2024-11-22 22:33:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 456 states have (on average 1.212719298245614) internal successors, (553), 484 states have internal predecessors, (553), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 22:33:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 661 transitions. [2024-11-22 22:33:28,778 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 661 transitions. Word has length 110 [2024-11-22 22:33:28,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:28,778 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 661 transitions. [2024-11-22 22:33:28,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:33:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 661 transitions. [2024-11-22 22:33:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:33:28,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:28,779 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 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] [2024-11-22 22:33:28,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:28,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:33:28,984 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:28,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:28,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1559185545, now seen corresponding path program 1 times [2024-11-22 22:33:28,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:28,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583591271] [2024-11-22 22:33:28,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:29,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583591271] [2024-11-22 22:33:29,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583591271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666247231] [2024-11-22 22:33:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:29,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:29,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:29,082 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:29,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:33:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:29,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:33:29,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:29,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:29,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666247231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:29,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:29,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-22 22:33:29,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185398399] [2024-11-22 22:33:29,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:29,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:29,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:29,235 INFO L87 Difference]: Start difference. First operand 541 states and 661 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:33:29,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:29,671 INFO L93 Difference]: Finished difference Result 543 states and 663 transitions. [2024-11-22 22:33:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:33:29,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 115 [2024-11-22 22:33:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:29,673 INFO L225 Difference]: With dead ends: 543 [2024-11-22 22:33:29,673 INFO L226 Difference]: Without dead ends: 542 [2024-11-22 22:33:29,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:29,673 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 89 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:29,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 132 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-22 22:33:29,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2024-11-22 22:33:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 456 states have (on average 1.2083333333333333) internal successors, (551), 483 states have internal predecessors, (551), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 22:33:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 659 transitions. [2024-11-22 22:33:29,713 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 659 transitions. Word has length 115 [2024-11-22 22:33:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:29,713 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 659 transitions. [2024-11-22 22:33:29,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:33:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 659 transitions. [2024-11-22 22:33:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 22:33:29,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:29,714 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 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] [2024-11-22 22:33:29,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-22 22:33:29,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:29,919 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:29,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:29,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1090111494, now seen corresponding path program 1 times [2024-11-22 22:33:29,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:29,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926102277] [2024-11-22 22:33:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 22:33:30,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:30,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926102277] [2024-11-22 22:33:30,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926102277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:33:30,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:33:30,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:33:30,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868693142] [2024-11-22 22:33:30,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:30,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:33:30,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:33:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:30,045 INFO L87 Difference]: Start difference. First operand 540 states and 659 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:30,613 INFO L93 Difference]: Finished difference Result 558 states and 676 transitions. [2024-11-22 22:33:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:33:30,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116 [2024-11-22 22:33:30,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:30,615 INFO L225 Difference]: With dead ends: 558 [2024-11-22 22:33:30,615 INFO L226 Difference]: Without dead ends: 557 [2024-11-22 22:33:30,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:30,616 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 153 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:30,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 196 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-22 22:33:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 539. [2024-11-22 22:33:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 456 states have (on average 1.2039473684210527) internal successors, (549), 482 states have internal predecessors, (549), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 22:33:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 657 transitions. [2024-11-22 22:33:30,655 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 657 transitions. Word has length 116 [2024-11-22 22:33:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:30,655 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 657 transitions. [2024-11-22 22:33:30,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 657 transitions. [2024-11-22 22:33:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 22:33:30,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:30,656 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:30,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-22 22:33:30,656 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:30,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:30,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1109822089, now seen corresponding path program 2 times [2024-11-22 22:33:30,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:30,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706400393] [2024-11-22 22:33:30,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:30,666 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:30,666 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 22:33:30,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:30,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706400393] [2024-11-22 22:33:30,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706400393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:30,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548869791] [2024-11-22 22:33:30,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:30,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:30,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:30,804 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:30,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:33:30,843 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:30,843 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:30,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:33:30,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-22 22:33:31,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 22:33:31,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548869791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:31,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:31,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-22 22:33:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683507487] [2024-11-22 22:33:31,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:31,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:33:31,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:31,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:33:31,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:33:31,140 INFO L87 Difference]: Start difference. First operand 539 states and 657 transitions. Second operand has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:33:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:31,523 INFO L93 Difference]: Finished difference Result 580 states and 694 transitions. [2024-11-22 22:33:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:31,524 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) Word has length 121 [2024-11-22 22:33:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:31,525 INFO L225 Difference]: With dead ends: 580 [2024-11-22 22:33:31,525 INFO L226 Difference]: Without dead ends: 443 [2024-11-22 22:33:31,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 236 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:33:31,526 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 384 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:31,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 467 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:31,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-22 22:33:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2024-11-22 22:33:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 361 states have (on average 1.2160664819944598) internal successors, (439), 387 states have internal predecessors, (439), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-22 22:33:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 527 transitions. [2024-11-22 22:33:31,570 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 527 transitions. Word has length 121 [2024-11-22 22:33:31,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:31,570 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 527 transitions. [2024-11-22 22:33:31,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:33:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 527 transitions. [2024-11-22 22:33:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 22:33:31,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:31,571 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:31,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:31,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:31,776 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:31,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash -965555434, now seen corresponding path program 1 times [2024-11-22 22:33:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797354792] [2024-11-22 22:33:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-22 22:33:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:31,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797354792] [2024-11-22 22:33:31,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797354792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:31,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304683587] [2024-11-22 22:33:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:31,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:31,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:31,847 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:31,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:33:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:31,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:33:31,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-22 22:33:32,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:33:32,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304683587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:33:32,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:33:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943985199] [2024-11-22 22:33:32,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:32,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:33:32,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:33:32,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:32,122 INFO L87 Difference]: Start difference. First operand 434 states and 527 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 22:33:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:32,259 INFO L93 Difference]: Finished difference Result 450 states and 544 transitions. [2024-11-22 22:33:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:33:32,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 127 [2024-11-22 22:33:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:32,261 INFO L225 Difference]: With dead ends: 450 [2024-11-22 22:33:32,261 INFO L226 Difference]: Without dead ends: 448 [2024-11-22 22:33:32,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:32,262 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 16 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:32,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 143 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:33:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-22 22:33:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 415. [2024-11-22 22:33:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 344 states have (on average 1.2180232558139534) internal successors, (419), 370 states have internal predecessors, (419), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-22 22:33:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 503 transitions. [2024-11-22 22:33:32,304 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 503 transitions. Word has length 127 [2024-11-22 22:33:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:32,304 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 503 transitions. [2024-11-22 22:33:32,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 22:33:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 503 transitions. [2024-11-22 22:33:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 22:33:32,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:32,305 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:32,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:32,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-22 22:33:32,505 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:32,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:32,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1489994570, now seen corresponding path program 2 times [2024-11-22 22:33:32,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:32,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731646263] [2024-11-22 22:33:32,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:32,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:32,516 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:32,516 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 44 proven. 30 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:33:32,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:32,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731646263] [2024-11-22 22:33:32,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731646263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:32,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516890544] [2024-11-22 22:33:32,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:32,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:32,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:32,650 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:32,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:33:32,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:32,690 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:32,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:33:32,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-22 22:33:32,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 44 proven. 30 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:33:32,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516890544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:32,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-22 22:33:32,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900522370] [2024-11-22 22:33:32,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:32,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:33:32,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:32,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:33:32,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:33:32,999 INFO L87 Difference]: Start difference. First operand 415 states and 503 transitions. Second operand has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-22 22:33:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:33,302 INFO L93 Difference]: Finished difference Result 457 states and 547 transitions. [2024-11-22 22:33:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:33:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) Word has length 132 [2024-11-22 22:33:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:33,303 INFO L225 Difference]: With dead ends: 457 [2024-11-22 22:33:33,303 INFO L226 Difference]: Without dead ends: 158 [2024-11-22 22:33:33,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 257 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:33:33,304 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 250 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:33,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 429 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:33:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-22 22:33:33,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 106. [2024-11-22 22:33:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 90 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:33:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2024-11-22 22:33:33,317 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 132 [2024-11-22 22:33:33,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:33,317 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2024-11-22 22:33:33,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-22 22:33:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2024-11-22 22:33:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 22:33:33,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:33,318 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 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] [2024-11-22 22:33:33,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:33,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-22 22:33:33,523 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:33,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:33,523 INFO L85 PathProgramCache]: Analyzing trace with hash 79341653, now seen corresponding path program 1 times [2024-11-22 22:33:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:33,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128767619] [2024-11-22 22:33:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:33,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-22 22:33:33,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128767619] [2024-11-22 22:33:33,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128767619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112749626] [2024-11-22 22:33:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:33,606 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:33,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:33:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:33,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:33:33,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-22 22:33:33,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:33:33,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112749626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:33:33,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:33,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:33:33,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73838883] [2024-11-22 22:33:33,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:33,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:33:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:33:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:33,940 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 22:33:34,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:34,056 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2024-11-22 22:33:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:33:34,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 141 [2024-11-22 22:33:34,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:34,057 INFO L225 Difference]: With dead ends: 159 [2024-11-22 22:33:34,057 INFO L226 Difference]: Without dead ends: 158 [2024-11-22 22:33:34,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:34,058 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:34,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:33:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-22 22:33:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-22 22:33:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.0149253731343284) internal successors, (136), 135 states have internal predecessors, (136), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:33:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 174 transitions. [2024-11-22 22:33:34,095 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 174 transitions. Word has length 141 [2024-11-22 22:33:34,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:34,095 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 174 transitions. [2024-11-22 22:33:34,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 22:33:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2024-11-22 22:33:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 22:33:34,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:34,097 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 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] [2024-11-22 22:33:34,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:34,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-22 22:33:34,297 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:34,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1732180167, now seen corresponding path program 1 times [2024-11-22 22:33:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817617525] [2024-11-22 22:33:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:33:34,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817617525] [2024-11-22 22:33:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817617525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821668916] [2024-11-22 22:33:34,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:34,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:34,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:34,368 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:34,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-22 22:33:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:34,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:33:34,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:33:34,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:33:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821668916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:34,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:34,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:33:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128986709] [2024-11-22 22:33:34,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:34,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:34,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:34,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:33:34,552 INFO L87 Difference]: Start difference. First operand 157 states and 174 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:33:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:34,753 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2024-11-22 22:33:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:34,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2024-11-22 22:33:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:34,754 INFO L225 Difference]: With dead ends: 159 [2024-11-22 22:33:34,754 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:33:34,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:34,756 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 31 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:34,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 131 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:33:34,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:33:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:33:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:33:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:33:34,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2024-11-22 22:33:34,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:34,757 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:33:34,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:33:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:33:34,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:33:34,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-22 22:33:34,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-22 22:33:34,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-22 22:33:34,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-22 22:33:34,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-22 22:33:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-22 22:33:34,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:34,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:33:34,968 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-22 22:33:34,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.