./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:33:59,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:33:59,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:33:59,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:33:59,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:33:59,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:33:59,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:33:59,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:33:59,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:33:59,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:33:59,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:33:59,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:33:59,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:33:59,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:33:59,583 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:33:59,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:33:59,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:33:59,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:33:59,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:33:59,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:33:59,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:33:59,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:33:59,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:33:59,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:33:59,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:33:59,588 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:33:59,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:33:59,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:33:59,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:33:59,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:33:59,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:33:59,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:33:59,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:33:59,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:33:59,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:33:59,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:33:59,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:33:59,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:33:59,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:33:59,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:33:59,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:33:59,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:33:59,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:33:59,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:33:59,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2024-10-14 20:33:59,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:33:59,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:33:59,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:33:59,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:33:59,831 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:33:59,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-10-14 20:34:01,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:34:01,261 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:34:01,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-10-14 20:34:01,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3521f8836/f5a305b49d254c3399710854f41c702a/FLAGe2a931ce9 [2024-10-14 20:34:01,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3521f8836/f5a305b49d254c3399710854f41c702a [2024-10-14 20:34:01,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:34:01,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:34:01,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:34:01,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:34:01,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:34:01,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56727f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01, skipping insertion in model container [2024-10-14 20:34:01,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:34:01,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:34:01,812 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:34:01,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:34:01,847 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:34:01,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01 WrapperNode [2024-10-14 20:34:01,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:34:01,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:34:01,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:34:01,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:34:01,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,892 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-10-14 20:34:01,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:34:01,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:34:01,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:34:01,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:34:01,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,919 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]. [2024-10-14 20:34:01,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:34:01,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:34:01,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:34:01,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:34:01,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (1/1) ... [2024-10-14 20:34:01,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:34:01,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:01,972 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) [2024-10-14 20:34:01,974 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 [2024-10-14 20:34:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:34:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:34:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:34:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:34:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:34:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:34:02,065 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:34:02,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:34:03,099 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-14 20:34:03,100 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:34:03,126 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:34:03,126 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:34:03,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:34:03 BoogieIcfgContainer [2024-10-14 20:34:03,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:34:03,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:34:03,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:34:03,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:34:03,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:34:01" (1/3) ... [2024-10-14 20:34:03,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f726650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:34:03, skipping insertion in model container [2024-10-14 20:34:03,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:01" (2/3) ... [2024-10-14 20:34:03,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f726650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:34:03, skipping insertion in model container [2024-10-14 20:34:03,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:34:03" (3/3) ... [2024-10-14 20:34:03,133 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2024-10-14 20:34:03,146 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:34:03,146 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-10-14 20:34:03,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:34:03,211 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;@86188e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:34:03,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-10-14 20:34:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 298 states, 147 states have (on average 1.9727891156462585) internal successors, (290), 285 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:34:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:34:03,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:03,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:34:03,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:03,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,225 INFO L85 PathProgramCache]: Analyzing trace with hash 355713825, now seen corresponding path program 1 times [2024-10-14 20:34:03,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134702708] [2024-10-14 20:34:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:34:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134702708] [2024-10-14 20:34:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134702708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:03,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278341236] [2024-10-14 20:34:03,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:03,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:34:03,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:34:03,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:34:03,347 INFO L87 Difference]: Start difference. First operand has 298 states, 147 states have (on average 1.9727891156462585) internal successors, (290), 285 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:34:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:03,383 INFO L93 Difference]: Finished difference Result 587 states and 632 transitions. [2024-10-14 20:34:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:34:03,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:34:03,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:03,409 INFO L225 Difference]: With dead ends: 587 [2024-10-14 20:34:03,409 INFO L226 Difference]: Without dead ends: 288 [2024-10-14 20:34:03,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:34:03,414 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:03,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 299 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:34:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-14 20:34:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-10-14 20:34:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:34:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2024-10-14 20:34:03,459 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2024-10-14 20:34:03,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:03,459 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2024-10-14 20:34:03,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:34:03,460 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2024-10-14 20:34:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:34:03,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:03,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:34:03,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:34:03,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:03,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 355773348, now seen corresponding path program 1 times [2024-10-14 20:34:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719580551] [2024-10-14 20:34:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:34:03,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719580551] [2024-10-14 20:34:03,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719580551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:03,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:03,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:03,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9581636] [2024-10-14 20:34:03,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:03,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:03,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:03,515 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:34:03,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:03,682 INFO L93 Difference]: Finished difference Result 557 states and 576 transitions. [2024-10-14 20:34:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:03,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:34:03,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:03,688 INFO L225 Difference]: With dead ends: 557 [2024-10-14 20:34:03,688 INFO L226 Difference]: Without dead ends: 537 [2024-10-14 20:34:03,688 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 [2024-10-14 20:34:03,689 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:03,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 519 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:03,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-14 20:34:03,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 347. [2024-10-14 20:34:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 200 states have (on average 1.795) internal successors, (359), 330 states have internal predecessors, (359), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 20:34:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 389 transitions. [2024-10-14 20:34:03,711 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 389 transitions. Word has length 5 [2024-10-14 20:34:03,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:03,711 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 389 transitions. [2024-10-14 20:34:03,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:34:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 389 transitions. [2024-10-14 20:34:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 20:34:03,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:03,713 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:03,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:34:03,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:03,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1772025106, now seen corresponding path program 1 times [2024-10-14 20:34:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:03,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044977845] [2024-10-14 20:34:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:03,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866573029] [2024-10-14 20:34:03,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:03,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:03,745 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) [2024-10-14 20:34:03,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:34:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:03,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:03,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:03,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:03,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044977845] [2024-10-14 20:34:03,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866573029] [2024-10-14 20:34:03,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866573029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:03,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:03,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:03,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654816855] [2024-10-14 20:34:03,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:03,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:03,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:03,958 INFO L87 Difference]: Start difference. First operand 347 states and 389 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:04,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:04,384 INFO L93 Difference]: Finished difference Result 507 states and 564 transitions. [2024-10-14 20:34:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:04,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-10-14 20:34:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:04,389 INFO L225 Difference]: With dead ends: 507 [2024-10-14 20:34:04,389 INFO L226 Difference]: Without dead ends: 452 [2024-10-14 20:34:04,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:04,392 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:04,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 266 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-10-14 20:34:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 432. [2024-10-14 20:34:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.65) internal successors, (462), 410 states have internal predecessors, (462), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 502 transitions. [2024-10-14 20:34:04,429 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 502 transitions. Word has length 38 [2024-10-14 20:34:04,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:04,430 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 502 transitions. [2024-10-14 20:34:04,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 502 transitions. [2024-10-14 20:34:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:34:04,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:04,431 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:04,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:04,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:04,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:04,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:04,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2109074736, now seen corresponding path program 1 times [2024-10-14 20:34:04,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:04,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269660475] [2024-10-14 20:34:04,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:04,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:04,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:04,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:04,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:04,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269660475] [2024-10-14 20:34:04,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269660475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:04,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:04,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846796751] [2024-10-14 20:34:04,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:04,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:04,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:04,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:04,744 INFO L87 Difference]: Start difference. First operand 432 states and 502 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:05,152 INFO L93 Difference]: Finished difference Result 465 states and 509 transitions. [2024-10-14 20:34:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:05,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-10-14 20:34:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:05,154 INFO L225 Difference]: With dead ends: 465 [2024-10-14 20:34:05,154 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:05,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:05,155 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:05,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 424 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5678571428571428) internal successors, (439), 410 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 479 transitions. [2024-10-14 20:34:05,166 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 479 transitions. Word has length 40 [2024-10-14 20:34:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:05,167 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 479 transitions. [2024-10-14 20:34:05,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 479 transitions. [2024-10-14 20:34:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 20:34:05,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:05,168 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:05,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:34:05,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:05,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:05,169 INFO L85 PathProgramCache]: Analyzing trace with hash 403745458, now seen corresponding path program 1 times [2024-10-14 20:34:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127517721] [2024-10-14 20:34:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:05,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:05,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127517721] [2024-10-14 20:34:05,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127517721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:05,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:05,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:05,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005581402] [2024-10-14 20:34:05,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:05,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:05,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:05,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:05,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:05,294 INFO L87 Difference]: Start difference. First operand 432 states and 479 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:06,147 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2024-10-14 20:34:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:06,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-10-14 20:34:06,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:06,149 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:34:06,149 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:06,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:06,150 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 253 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:06,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 366 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:34:06,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5607142857142857) internal successors, (437), 410 states have internal predecessors, (437), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2024-10-14 20:34:06,166 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 42 [2024-10-14 20:34:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:06,167 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2024-10-14 20:34:06,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2024-10-14 20:34:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:34:06,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:06,168 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:06,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:34:06,172 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:06,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash -368792591, now seen corresponding path program 1 times [2024-10-14 20:34:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:06,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848637041] [2024-10-14 20:34:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:06,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:06,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848637041] [2024-10-14 20:34:06,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848637041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:06,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:06,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97943288] [2024-10-14 20:34:06,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:06,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:06,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:06,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:06,376 INFO L87 Difference]: Start difference. First operand 432 states and 477 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:07,546 INFO L93 Difference]: Finished difference Result 444 states and 484 transitions. [2024-10-14 20:34:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:07,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-10-14 20:34:07,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:07,548 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:34:07,548 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:07,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:07,549 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:07,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 368 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 20:34:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5535714285714286) internal successors, (435), 410 states have internal predecessors, (435), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 475 transitions. [2024-10-14 20:34:07,559 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 475 transitions. Word has length 43 [2024-10-14 20:34:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:07,559 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 475 transitions. [2024-10-14 20:34:07,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 475 transitions. [2024-10-14 20:34:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-14 20:34:07,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:07,560 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:07,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:34:07,560 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:07,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:07,561 INFO L85 PathProgramCache]: Analyzing trace with hash -173634954, now seen corresponding path program 1 times [2024-10-14 20:34:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602653166] [2024-10-14 20:34:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:07,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801590314] [2024-10-14 20:34:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:07,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:07,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:07,573 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) [2024-10-14 20:34:07,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:34:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:07,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:34:07,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:07,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:07,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602653166] [2024-10-14 20:34:07,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801590314] [2024-10-14 20:34:07,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801590314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:07,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:07,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605187171] [2024-10-14 20:34:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:07,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:07,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:07,791 INFO L87 Difference]: Start difference. First operand 432 states and 475 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:08,340 INFO L93 Difference]: Finished difference Result 449 states and 482 transitions. [2024-10-14 20:34:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-10-14 20:34:08,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:08,342 INFO L225 Difference]: With dead ends: 449 [2024-10-14 20:34:08,342 INFO L226 Difference]: Without dead ends: 440 [2024-10-14 20:34:08,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:08,343 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:08,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 256 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-14 20:34:08,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2024-10-14 20:34:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5265017667844523) internal successors, (432), 413 states have internal predecessors, (432), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions. [2024-10-14 20:34:08,352 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 46 [2024-10-14 20:34:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:08,353 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions. [2024-10-14 20:34:08,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions. [2024-10-14 20:34:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 20:34:08,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:08,354 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:08,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:34:08,557 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,SelfDestructingSolverStorable6 [2024-10-14 20:34:08,557 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:08,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1087716171, now seen corresponding path program 1 times [2024-10-14 20:34:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:08,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50995354] [2024-10-14 20:34:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:08,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:08,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50995354] [2024-10-14 20:34:08,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50995354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:08,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:08,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:08,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170323473] [2024-10-14 20:34:08,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:08,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:08,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:08,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:08,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:08,643 INFO L87 Difference]: Start difference. First operand 435 states and 472 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:09,244 INFO L93 Difference]: Finished difference Result 448 states and 473 transitions. [2024-10-14 20:34:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:09,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-14 20:34:09,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:09,247 INFO L225 Difference]: With dead ends: 448 [2024-10-14 20:34:09,247 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:09,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:09,248 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 133 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:09,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 383 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:09,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2024-10-14 20:34:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5053003533568905) internal successors, (426), 413 states have internal predecessors, (426), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:34:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 466 transitions. [2024-10-14 20:34:09,257 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 466 transitions. Word has length 47 [2024-10-14 20:34:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:09,258 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 466 transitions. [2024-10-14 20:34:09,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 466 transitions. [2024-10-14 20:34:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:34:09,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:09,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:09,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:34:09,259 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:09,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:09,259 INFO L85 PathProgramCache]: Analyzing trace with hash -296575623, now seen corresponding path program 1 times [2024-10-14 20:34:09,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:09,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896501149] [2024-10-14 20:34:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:09,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:09,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896501149] [2024-10-14 20:34:09,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896501149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:09,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:09,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:09,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468547408] [2024-10-14 20:34:09,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:09,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:09,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:09,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:09,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:09,361 INFO L87 Difference]: Start difference. First operand 435 states and 466 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:09,779 INFO L93 Difference]: Finished difference Result 446 states and 467 transitions. [2024-10-14 20:34:09,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:09,779 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-10-14 20:34:09,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:09,781 INFO L225 Difference]: With dead ends: 446 [2024-10-14 20:34:09,781 INFO L226 Difference]: Without dead ends: 373 [2024-10-14 20:34:09,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:09,782 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:09,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 268 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:09,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-14 20:34:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2024-10-14 20:34:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 350 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:09,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 391 transitions. [2024-10-14 20:34:09,793 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 391 transitions. Word has length 51 [2024-10-14 20:34:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:09,794 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 391 transitions. [2024-10-14 20:34:09,794 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 20:34:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 391 transitions. [2024-10-14 20:34:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 20:34:09,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:09,796 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:09,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 20:34:09,796 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:09,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:09,796 INFO L85 PathProgramCache]: Analyzing trace with hash -244803461, now seen corresponding path program 1 times [2024-10-14 20:34:09,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:09,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135225719] [2024-10-14 20:34:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:09,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:09,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:09,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135225719] [2024-10-14 20:34:09,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135225719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:09,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:09,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:09,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255106278] [2024-10-14 20:34:09,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:09,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:09,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:09,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:09,889 INFO L87 Difference]: Start difference. First operand 369 states and 391 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:10,127 INFO L93 Difference]: Finished difference Result 369 states and 391 transitions. [2024-10-14 20:34:10,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:10,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2024-10-14 20:34:10,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:10,129 INFO L225 Difference]: With dead ends: 369 [2024-10-14 20:34:10,129 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:10,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:10,130 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:10,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 153 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:10,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:10,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-14 20:34:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 343 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2024-10-14 20:34:10,137 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2024-10-14 20:34:10,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:10,138 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2024-10-14 20:34:10,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2024-10-14 20:34:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:34:10,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:10,139 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:10,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 20:34:10,139 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:10,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1001027467, now seen corresponding path program 1 times [2024-10-14 20:34:10,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:10,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015603115] [2024-10-14 20:34:10,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:10,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:10,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015603115] [2024-10-14 20:34:10,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015603115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:10,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:10,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:10,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107371011] [2024-10-14 20:34:10,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:10,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:10,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:10,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:10,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:10,211 INFO L87 Difference]: Start difference. First operand 362 states and 384 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:10,576 INFO L93 Difference]: Finished difference Result 369 states and 387 transitions. [2024-10-14 20:34:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:10,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-14 20:34:10,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:10,582 INFO L225 Difference]: With dead ends: 369 [2024-10-14 20:34:10,582 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 20:34:10,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:10,584 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:10,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 391 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:10,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 20:34:10,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2024-10-14 20:34:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.5855855855855856) internal successors, (352), 345 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 386 transitions. [2024-10-14 20:34:10,594 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 386 transitions. Word has length 84 [2024-10-14 20:34:10,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:10,595 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 386 transitions. [2024-10-14 20:34:10,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 386 transitions. [2024-10-14 20:34:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 20:34:10,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:10,596 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:10,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:34:10,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:10,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 124206066, now seen corresponding path program 1 times [2024-10-14 20:34:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:10,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689129951] [2024-10-14 20:34:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:10,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:10,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689129951] [2024-10-14 20:34:10,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689129951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:10,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:10,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:10,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101173041] [2024-10-14 20:34:10,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:10,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:10,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:10,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:10,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:10,682 INFO L87 Difference]: Start difference. First operand 364 states and 386 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:34:11,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:11,062 INFO L93 Difference]: Finished difference Result 364 states and 386 transitions. [2024-10-14 20:34:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:11,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2024-10-14 20:34:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:11,064 INFO L225 Difference]: With dead ends: 364 [2024-10-14 20:34:11,064 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:11,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:11,064 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:11,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 260 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:11,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:11,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-14 20:34:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 222 states have (on average 1.5675675675675675) internal successors, (348), 343 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2024-10-14 20:34:11,072 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 86 [2024-10-14 20:34:11,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:11,073 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2024-10-14 20:34:11,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:34:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2024-10-14 20:34:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:11,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:11,074 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:11,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 20:34:11,074 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:11,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:11,074 INFO L85 PathProgramCache]: Analyzing trace with hash -444579068, now seen corresponding path program 1 times [2024-10-14 20:34:11,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:11,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520163080] [2024-10-14 20:34:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:11,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:11,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520163080] [2024-10-14 20:34:11,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520163080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:11,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:11,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:34:11,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757879051] [2024-10-14 20:34:11,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:11,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:11,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:11,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:11,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:11,146 INFO L87 Difference]: Start difference. First operand 362 states and 382 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:34:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:11,342 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2024-10-14 20:34:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:11,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 87 [2024-10-14 20:34:11,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:11,344 INFO L225 Difference]: With dead ends: 366 [2024-10-14 20:34:11,344 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:11,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:11,345 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 19 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:11,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 912 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:11,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 360. [2024-10-14 20:34:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 220 states have (on average 1.5636363636363637) internal successors, (344), 341 states have internal predecessors, (344), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 378 transitions. [2024-10-14 20:34:11,353 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 378 transitions. Word has length 87 [2024-10-14 20:34:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:11,354 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 378 transitions. [2024-10-14 20:34:11,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:34:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 378 transitions. [2024-10-14 20:34:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 20:34:11,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:11,355 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:11,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:34:11,355 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:11,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:11,355 INFO L85 PathProgramCache]: Analyzing trace with hash -85276979, now seen corresponding path program 1 times [2024-10-14 20:34:11,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:11,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157830643] [2024-10-14 20:34:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157830643] [2024-10-14 20:34:11,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157830643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675277254] [2024-10-14 20:34:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:11,430 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) [2024-10-14 20:34:11,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:34:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:11,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:11,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:11,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675277254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:11,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:11,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 20:34:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248911268] [2024-10-14 20:34:11,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:11,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:11,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:11,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:11,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:11,561 INFO L87 Difference]: Start difference. First operand 360 states and 378 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:11,656 INFO L93 Difference]: Finished difference Result 362 states and 378 transitions. [2024-10-14 20:34:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:11,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-10-14 20:34:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:11,658 INFO L225 Difference]: With dead ends: 362 [2024-10-14 20:34:11,658 INFO L226 Difference]: Without dead ends: 354 [2024-10-14 20:34:11,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:11,659 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 420 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:11,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 364 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-14 20:34:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2024-10-14 20:34:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 220 states have (on average 1.5272727272727273) internal successors, (336), 333 states have internal predecessors, (336), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 20:34:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2024-10-14 20:34:11,668 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 86 [2024-10-14 20:34:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:11,668 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2024-10-14 20:34:11,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:34:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2024-10-14 20:34:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:11,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:11,669 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:11,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:34:11,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:11,872 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:11,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:11,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1651380999, now seen corresponding path program 1 times [2024-10-14 20:34:11,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:11,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386834928] [2024-10-14 20:34:11,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:11,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386834928] [2024-10-14 20:34:11,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386834928] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:11,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236643557] [2024-10-14 20:34:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:11,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:11,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:11,953 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) [2024-10-14 20:34:11,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:34:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:11,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:11,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:12,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236643557] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:12,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 20:34:12,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466766833] [2024-10-14 20:34:12,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:12,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:34:12,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:12,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:34:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:12,169 INFO L87 Difference]: Start difference. First operand 352 states and 370 transitions. Second operand has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 20:34:12,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:12,336 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2024-10-14 20:34:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:12,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 87 [2024-10-14 20:34:12,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:12,339 INFO L225 Difference]: With dead ends: 613 [2024-10-14 20:34:12,339 INFO L226 Difference]: Without dead ends: 605 [2024-10-14 20:34:12,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:12,339 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 668 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:12,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 919 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-14 20:34:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2024-10-14 20:34:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 281 states have (on average 1.5160142348754448) internal successors, (426), 388 states have internal predecessors, (426), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:34:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 470 transitions. [2024-10-14 20:34:12,349 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 470 transitions. Word has length 87 [2024-10-14 20:34:12,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:12,350 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 470 transitions. [2024-10-14 20:34:12,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-14 20:34:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 470 transitions. [2024-10-14 20:34:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 20:34:12,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:12,351 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:12,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:34:12,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:34:12,555 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:12,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:12,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1640076562, now seen corresponding path program 1 times [2024-10-14 20:34:12,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:12,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353078962] [2024-10-14 20:34:12,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:12,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326150408] [2024-10-14 20:34:12,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:12,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:12,571 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) [2024-10-14 20:34:12,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:34:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:12,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:12,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:12,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:12,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:12,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353078962] [2024-10-14 20:34:12,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:12,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326150408] [2024-10-14 20:34:12,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326150408] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:12,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:12,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-14 20:34:12,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623089230] [2024-10-14 20:34:12,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:12,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:12,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:12,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:12,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:34:12,835 INFO L87 Difference]: Start difference. First operand 412 states and 470 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:34:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:12,997 INFO L93 Difference]: Finished difference Result 615 states and 647 transitions. [2024-10-14 20:34:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:12,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 98 [2024-10-14 20:34:12,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:12,999 INFO L225 Difference]: With dead ends: 615 [2024-10-14 20:34:12,999 INFO L226 Difference]: Without dead ends: 610 [2024-10-14 20:34:12,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:13,000 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 1114 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:13,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 785 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-14 20:34:13,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 417. [2024-10-14 20:34:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 289 states have (on average 1.4740484429065743) internal successors, (426), 392 states have internal predecessors, (426), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2024-10-14 20:34:13,011 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 98 [2024-10-14 20:34:13,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:13,011 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2024-10-14 20:34:13,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:34:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2024-10-14 20:34:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:34:13,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:13,012 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:13,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:13,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 20:34:13,217 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:13,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:13,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1350073584, now seen corresponding path program 1 times [2024-10-14 20:34:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511189017] [2024-10-14 20:34:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:34:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:34:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511189017] [2024-10-14 20:34:13,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511189017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:13,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:13,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:34:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233661012] [2024-10-14 20:34:13,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:13,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:13,358 INFO L87 Difference]: Start difference. First operand 417 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:13,621 INFO L93 Difference]: Finished difference Result 423 states and 475 transitions. [2024-10-14 20:34:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:13,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 103 [2024-10-14 20:34:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:13,623 INFO L225 Difference]: With dead ends: 423 [2024-10-14 20:34:13,623 INFO L226 Difference]: Without dead ends: 397 [2024-10-14 20:34:13,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:13,624 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 231 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:13,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 412 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-14 20:34:13,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-10-14 20:34:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 271 states have (on average 1.4981549815498154) internal successors, (406), 374 states have internal predecessors, (406), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:34:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 448 transitions. [2024-10-14 20:34:13,634 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 448 transitions. Word has length 103 [2024-10-14 20:34:13,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:13,635 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 448 transitions. [2024-10-14 20:34:13,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:34:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 448 transitions. [2024-10-14 20:34:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 20:34:13,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:13,636 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:13,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:34:13,636 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:13,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash -483346203, now seen corresponding path program 1 times [2024-10-14 20:34:13,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:13,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618222218] [2024-10-14 20:34:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:13,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:13,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502339486] [2024-10-14 20:34:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:13,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:13,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:13,652 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) [2024-10-14 20:34:13,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:34:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:13,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:13,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:13,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:18,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:18,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618222218] [2024-10-14 20:34:18,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:18,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502339486] [2024-10-14 20:34:18,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502339486] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:18,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:18,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:18,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139472029] [2024-10-14 20:34:18,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:18,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:18,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:18,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-10-14 20:34:18,076 INFO L87 Difference]: Start difference. First operand 397 states and 448 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:18,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:18,727 INFO L93 Difference]: Finished difference Result 525 states and 613 transitions. [2024-10-14 20:34:18,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:18,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2024-10-14 20:34:18,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:18,729 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:34:18,729 INFO L226 Difference]: Without dead ends: 500 [2024-10-14 20:34:18,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-10-14 20:34:18,730 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:18,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 328 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-10-14 20:34:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2024-10-14 20:34:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 351 states have (on average 1.5071225071225072) internal successors, (529), 454 states have internal predecessors, (529), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 20:34:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 581 transitions. [2024-10-14 20:34:18,743 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 581 transitions. Word has length 119 [2024-10-14 20:34:18,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:18,744 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 581 transitions. [2024-10-14 20:34:18,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 581 transitions. [2024-10-14 20:34:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 20:34:18,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:18,745 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:18,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:34:18,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 20:34:18,946 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:18,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2098830314, now seen corresponding path program 1 times [2024-10-14 20:34:18,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:18,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62858546] [2024-10-14 20:34:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:18,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:18,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098328279] [2024-10-14 20:34:18,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:18,962 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) [2024-10-14 20:34:18,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:34:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:19,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:19,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:19,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:23,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:23,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62858546] [2024-10-14 20:34:23,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098328279] [2024-10-14 20:34:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098328279] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:23,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:23,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:23,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719399488] [2024-10-14 20:34:23,369 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:23,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:23,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:23,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:23,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:23,370 INFO L87 Difference]: Start difference. First operand 482 states and 581 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:24,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:24,100 INFO L93 Difference]: Finished difference Result 516 states and 588 transitions. [2024-10-14 20:34:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:24,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-10-14 20:34:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:24,106 INFO L225 Difference]: With dead ends: 516 [2024-10-14 20:34:24,106 INFO L226 Difference]: Without dead ends: 500 [2024-10-14 20:34:24,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:24,107 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 131 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:24,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 320 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-10-14 20:34:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2024-10-14 20:34:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 351 states have (on average 1.4615384615384615) internal successors, (513), 454 states have internal predecessors, (513), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 20:34:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 565 transitions. [2024-10-14 20:34:24,117 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 565 transitions. Word has length 120 [2024-10-14 20:34:24,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:24,117 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 565 transitions. [2024-10-14 20:34:24,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:34:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 565 transitions. [2024-10-14 20:34:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 20:34:24,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:24,118 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:24,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:34:24,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:24,319 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:24,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:24,319 INFO L85 PathProgramCache]: Analyzing trace with hash -639230201, now seen corresponding path program 1 times [2024-10-14 20:34:24,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:24,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739223570] [2024-10-14 20:34:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:34:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:34:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:34:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:24,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739223570] [2024-10-14 20:34:24,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739223570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:24,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510478881] [2024-10-14 20:34:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:24,429 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) [2024-10-14 20:34:24,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:34:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:24,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:24,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:24,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510478881] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:24,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:24,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:34:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068269865] [2024-10-14 20:34:24,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:24,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:34:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:34:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:24,782 INFO L87 Difference]: Start difference. First operand 482 states and 565 transitions. Second operand has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:25,476 INFO L93 Difference]: Finished difference Result 500 states and 572 transitions. [2024-10-14 20:34:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:25,477 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2024-10-14 20:34:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:25,478 INFO L225 Difference]: With dead ends: 500 [2024-10-14 20:34:25,478 INFO L226 Difference]: Without dead ends: 495 [2024-10-14 20:34:25,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:25,479 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 336 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:25,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 593 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:25,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-14 20:34:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2024-10-14 20:34:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 351 states have (on average 1.435897435897436) internal successors, (504), 450 states have internal predecessors, (504), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 20:34:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 556 transitions. [2024-10-14 20:34:25,492 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 556 transitions. Word has length 121 [2024-10-14 20:34:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 556 transitions. [2024-10-14 20:34:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 556 transitions. [2024-10-14 20:34:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 20:34:25,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:25,493 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:25,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:34:25,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:25,694 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:25,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1658700344, now seen corresponding path program 1 times [2024-10-14 20:34:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:25,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299871824] [2024-10-14 20:34:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:34:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:34:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:34:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:25,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:25,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299871824] [2024-10-14 20:34:25,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299871824] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:25,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381054601] [2024-10-14 20:34:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:25,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:25,798 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) [2024-10-14 20:34:25,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:34:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:25,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:25,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:26,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:26,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381054601] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:26,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:26,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:34:26,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807181593] [2024-10-14 20:34:26,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:26,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:34:26,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:26,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:34:26,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:26,168 INFO L87 Difference]: Start difference. First operand 478 states and 556 transitions. Second operand has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:26,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:26,828 INFO L93 Difference]: Finished difference Result 496 states and 563 transitions. [2024-10-14 20:34:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:26,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2024-10-14 20:34:26,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:26,830 INFO L225 Difference]: With dead ends: 496 [2024-10-14 20:34:26,830 INFO L226 Difference]: Without dead ends: 491 [2024-10-14 20:34:26,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:26,831 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 334 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:26,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 514 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-10-14 20:34:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 474. [2024-10-14 20:34:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 446 states have internal predecessors, (495), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 20:34:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 547 transitions. [2024-10-14 20:34:26,842 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 547 transitions. Word has length 122 [2024-10-14 20:34:26,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:26,842 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 547 transitions. [2024-10-14 20:34:26,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-14 20:34:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 547 transitions. [2024-10-14 20:34:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 20:34:26,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:26,843 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:26,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:34:27,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:27,048 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:27,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:27,048 INFO L85 PathProgramCache]: Analyzing trace with hash -119896791, now seen corresponding path program 1 times [2024-10-14 20:34:27,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:27,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121729401] [2024-10-14 20:34:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:27,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207256861] [2024-10-14 20:34:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:27,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:27,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:27,067 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) [2024-10-14 20:34:27,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:34:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:27,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:34:27,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:27,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:27,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121729401] [2024-10-14 20:34:27,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207256861] [2024-10-14 20:34:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207256861] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:27,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:27,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-14 20:34:27,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813487119] [2024-10-14 20:34:27,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:27,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:34:27,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:27,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:34:27,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:27,767 INFO L87 Difference]: Start difference. First operand 474 states and 547 transitions. Second operand has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:34:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:31,879 INFO L93 Difference]: Finished difference Result 515 states and 554 transitions. [2024-10-14 20:34:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:34:31,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 123 [2024-10-14 20:34:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:31,882 INFO L225 Difference]: With dead ends: 515 [2024-10-14 20:34:31,882 INFO L226 Difference]: Without dead ends: 427 [2024-10-14 20:34:31,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:34:31,882 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 634 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:31,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 424 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-14 20:34:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-14 20:34:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-10-14 20:34:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 303 states have (on average 1.3696369636963697) internal successors, (415), 396 states have internal predecessors, (415), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 461 transitions. [2024-10-14 20:34:31,893 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 461 transitions. Word has length 123 [2024-10-14 20:34:31,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:31,893 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 461 transitions. [2024-10-14 20:34:31,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:34:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 461 transitions. [2024-10-14 20:34:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 20:34:31,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:31,895 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:31,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:34:32,099 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,SelfDestructingSolverStorable21 [2024-10-14 20:34:32,100 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:32,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1015250413, now seen corresponding path program 1 times [2024-10-14 20:34:32,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:32,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907902155] [2024-10-14 20:34:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:34:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:34:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:34:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:34:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:34:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 20:34:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:32,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:32,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907902155] [2024-10-14 20:34:32,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907902155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:32,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003977698] [2024-10-14 20:34:32,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:32,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:32,200 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) [2024-10-14 20:34:32,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:34:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:32,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:32,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:32,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:32,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003977698] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:32,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:32,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:34:32,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931326572] [2024-10-14 20:34:32,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:32,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:34:32,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:32,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:34:32,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:32,508 INFO L87 Difference]: Start difference. First operand 421 states and 461 transitions. Second operand has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:34:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:32,747 INFO L93 Difference]: Finished difference Result 444 states and 470 transitions. [2024-10-14 20:34:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:34:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 168 [2024-10-14 20:34:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:32,748 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:34:32,748 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:32,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:34:32,749 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 648 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:32,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 817 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:34:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 419. [2024-10-14 20:34:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3564356435643565) internal successors, (411), 394 states have internal predecessors, (411), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2024-10-14 20:34:32,760 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 168 [2024-10-14 20:34:32,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:32,760 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2024-10-14 20:34:32,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:34:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2024-10-14 20:34:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 20:34:32,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:32,762 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:32,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:34:32,965 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,SelfDestructingSolverStorable22 [2024-10-14 20:34:32,966 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:32,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1407991915, now seen corresponding path program 1 times [2024-10-14 20:34:32,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:32,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938227605] [2024-10-14 20:34:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:32,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:32,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91664651] [2024-10-14 20:34:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:32,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:32,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:32,989 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) [2024-10-14 20:34:32,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:34:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:33,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:34:33,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:33,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:34,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:34,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938227605] [2024-10-14 20:34:34,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:34,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91664651] [2024-10-14 20:34:34,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91664651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:34,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:34,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779335736] [2024-10-14 20:34:34,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:34,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:34,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:34,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:34,196 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:34,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:34,892 INFO L93 Difference]: Finished difference Result 420 states and 457 transitions. [2024-10-14 20:34:34,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:34,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 169 [2024-10-14 20:34:34,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:34,894 INFO L225 Difference]: With dead ends: 420 [2024-10-14 20:34:34,894 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:34:34,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:34,895 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 34 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:34,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 466 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:34:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:34:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.353135313531353) internal successors, (410), 394 states have internal predecessors, (410), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 456 transitions. [2024-10-14 20:34:34,905 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 456 transitions. Word has length 169 [2024-10-14 20:34:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:34,905 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 456 transitions. [2024-10-14 20:34:34,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:34:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 456 transitions. [2024-10-14 20:34:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 20:34:34,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:34,906 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:34,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:34:35,107 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,SelfDestructingSolverStorable23 [2024-10-14 20:34:35,107 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:35,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 698076591, now seen corresponding path program 1 times [2024-10-14 20:34:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876601125] [2024-10-14 20:34:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:35,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042839951] [2024-10-14 20:34:35,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:35,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:35,124 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) [2024-10-14 20:34:35,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:34:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:35,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:34:35,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:35,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:35,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:35,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876601125] [2024-10-14 20:34:35,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:35,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042839951] [2024-10-14 20:34:35,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042839951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:35,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:35,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:35,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415995438] [2024-10-14 20:34:35,837 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:35,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:35,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:35,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:35,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:35,838 INFO L87 Difference]: Start difference. First operand 419 states and 456 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:34:36,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:36,411 INFO L93 Difference]: Finished difference Result 430 states and 456 transitions. [2024-10-14 20:34:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:36,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 170 [2024-10-14 20:34:36,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:36,416 INFO L225 Difference]: With dead ends: 430 [2024-10-14 20:34:36,416 INFO L226 Difference]: Without dead ends: 429 [2024-10-14 20:34:36,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:36,417 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 69 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:36,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 565 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:34:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-14 20:34:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 419. [2024-10-14 20:34:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3498349834983498) internal successors, (409), 394 states have internal predecessors, (409), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 455 transitions. [2024-10-14 20:34:36,433 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 455 transitions. Word has length 170 [2024-10-14 20:34:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:36,434 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 455 transitions. [2024-10-14 20:34:36,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:34:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 455 transitions. [2024-10-14 20:34:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 20:34:36,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:36,438 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:36,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:34:36,642 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,SelfDestructingSolverStorable24 [2024-10-14 20:34:36,643 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:36,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash 168261999, now seen corresponding path program 1 times [2024-10-14 20:34:36,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831816754] [2024-10-14 20:34:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:36,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518348224] [2024-10-14 20:34:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:36,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:36,675 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) [2024-10-14 20:34:36,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:34:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:36,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:34:36,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:38,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:34:38,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:38,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831816754] [2024-10-14 20:34:38,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:38,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518348224] [2024-10-14 20:34:38,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518348224] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:38,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:38,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-14 20:34:38,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451424991] [2024-10-14 20:34:38,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:38,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:34:38,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:34:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:34:38,927 INFO L87 Difference]: Start difference. First operand 419 states and 455 transitions. Second operand has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 20:34:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:45,452 INFO L93 Difference]: Finished difference Result 427 states and 455 transitions. [2024-10-14 20:34:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:34:45,452 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 173 [2024-10-14 20:34:45,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:45,453 INFO L225 Difference]: With dead ends: 427 [2024-10-14 20:34:45,453 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:34:45,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:34:45,454 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 469 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:45,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 272 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-10-14 20:34:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:34:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:34:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3234323432343233) internal successors, (401), 394 states have internal predecessors, (401), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 447 transitions. [2024-10-14 20:34:45,469 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 447 transitions. Word has length 173 [2024-10-14 20:34:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:45,469 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 447 transitions. [2024-10-14 20:34:45,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 20:34:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 447 transitions. [2024-10-14 20:34:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 20:34:45,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:45,470 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:45,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:34:45,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:45,671 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:45,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1539470719, now seen corresponding path program 1 times [2024-10-14 20:34:45,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:45,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287489033] [2024-10-14 20:34:45,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:45,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:45,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144742868] [2024-10-14 20:34:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:45,696 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) [2024-10-14 20:34:45,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:34:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:45,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:34:45,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:46,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:50,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:50,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287489033] [2024-10-14 20:34:50,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:50,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144742868] [2024-10-14 20:34:50,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144742868] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:50,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:50,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:34:50,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646169792] [2024-10-14 20:34:50,792 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:50,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:50,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:50,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:50,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-10-14 20:34:50,793 INFO L87 Difference]: Start difference. First operand 419 states and 447 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 20:34:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:51,453 INFO L93 Difference]: Finished difference Result 422 states and 447 transitions. [2024-10-14 20:34:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:51,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 192 [2024-10-14 20:34:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:51,455 INFO L225 Difference]: With dead ends: 422 [2024-10-14 20:34:51,455 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:34:51,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=36, Invalid=73, Unknown=1, NotChecked=0, Total=110 [2024-10-14 20:34:51,456 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 18 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:51,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 416 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:51,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:34:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:34:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3135313531353134) internal successors, (398), 394 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 444 transitions. [2024-10-14 20:34:51,467 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 444 transitions. Word has length 192 [2024-10-14 20:34:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:51,468 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 444 transitions. [2024-10-14 20:34:51,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 20:34:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 444 transitions. [2024-10-14 20:34:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 20:34:51,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:51,469 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:51,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:34:51,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:34:51,673 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:51,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash -478951810, now seen corresponding path program 1 times [2024-10-14 20:34:51,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:51,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178293841] [2024-10-14 20:34:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:34:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:34:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:34:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:34:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:34:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 20:34:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 20:34:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178293841] [2024-10-14 20:34:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178293841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713314169] [2024-10-14 20:34:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:51,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:51,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:51,900 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) [2024-10-14 20:34:51,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:34:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:51,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:52,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:52,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713314169] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:52,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:52,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-14 20:34:52,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853830515] [2024-10-14 20:34:52,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:52,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:34:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:52,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:34:52,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:34:52,672 INFO L87 Difference]: Start difference. First operand 419 states and 444 transitions. Second operand has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-14 20:34:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:54,673 INFO L93 Difference]: Finished difference Result 419 states and 444 transitions. [2024-10-14 20:34:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:34:54,674 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 193 [2024-10-14 20:34:54,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:54,675 INFO L225 Difference]: With dead ends: 419 [2024-10-14 20:34:54,675 INFO L226 Difference]: Without dead ends: 405 [2024-10-14 20:34:54,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:34:54,676 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 488 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:54,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 264 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 20:34:54,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-14 20:34:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-14 20:34:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 303 states have (on average 1.2640264026402641) internal successors, (383), 380 states have internal predecessors, (383), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:34:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 429 transitions. [2024-10-14 20:34:54,693 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 429 transitions. Word has length 193 [2024-10-14 20:34:54,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:54,693 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 429 transitions. [2024-10-14 20:34:54,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-14 20:34:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 429 transitions. [2024-10-14 20:34:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 20:34:54,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:54,694 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:34:54,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:54,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 20:34:54,895 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:54,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1102486096, now seen corresponding path program 1 times [2024-10-14 20:34:54,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:54,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296611741] [2024-10-14 20:34:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634375341] [2024-10-14 20:34:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:54,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:54,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:54,926 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) [2024-10-14 20:34:54,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:34:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:54,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:34:54,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:55,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:55,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:55,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296611741] [2024-10-14 20:34:55,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:55,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634375341] [2024-10-14 20:34:55,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634375341] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:55,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:55,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:55,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861376070] [2024-10-14 20:34:55,203 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:55,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:55,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:55,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:55,205 INFO L87 Difference]: Start difference. First operand 405 states and 429 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:55,330 INFO L93 Difference]: Finished difference Result 610 states and 641 transitions. [2024-10-14 20:34:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 194 [2024-10-14 20:34:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:55,332 INFO L225 Difference]: With dead ends: 610 [2024-10-14 20:34:55,332 INFO L226 Difference]: Without dead ends: 609 [2024-10-14 20:34:55,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:55,332 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 255 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:55,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 803 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:55,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-10-14 20:34:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 412. [2024-10-14 20:34:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 309 states have (on average 1.2588996763754046) internal successors, (389), 386 states have internal predecessors, (389), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 20:34:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 437 transitions. [2024-10-14 20:34:55,357 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 437 transitions. Word has length 194 [2024-10-14 20:34:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:55,358 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 437 transitions. [2024-10-14 20:34:55,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 437 transitions. [2024-10-14 20:34:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-14 20:34:55,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:55,359 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-14 20:34:55,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:34:55,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:34:55,560 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:55,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:55,560 INFO L85 PathProgramCache]: Analyzing trace with hash -545648702, now seen corresponding path program 1 times [2024-10-14 20:34:55,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:55,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676439560] [2024-10-14 20:34:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:55,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103436378] [2024-10-14 20:34:55,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:55,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:55,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:55,580 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) [2024-10-14 20:34:55,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:34:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:55,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:34:55,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:34:56,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:56,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:56,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676439560] [2024-10-14 20:34:56,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:56,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103436378] [2024-10-14 20:34:56,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103436378] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:56,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:56,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:34:56,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918745813] [2024-10-14 20:34:56,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:56,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:34:56,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:56,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:34:56,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:34:56,234 INFO L87 Difference]: Start difference. First operand 412 states and 437 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:56,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:56,932 INFO L93 Difference]: Finished difference Result 414 states and 437 transitions. [2024-10-14 20:34:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:34:56,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 197 [2024-10-14 20:34:56,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:56,934 INFO L225 Difference]: With dead ends: 414 [2024-10-14 20:34:56,934 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 20:34:56,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:34:56,935 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 36 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:56,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 378 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 20:34:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-10-14 20:34:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 277 states have (on average 1.2815884476534296) internal successors, (355), 354 states have internal predecessors, (355), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:34:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 399 transitions. [2024-10-14 20:34:56,945 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 399 transitions. Word has length 197 [2024-10-14 20:34:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:56,946 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 399 transitions. [2024-10-14 20:34:56,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 20:34:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 399 transitions. [2024-10-14 20:34:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 20:34:56,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:56,947 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:34:56,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-14 20:34:57,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:57,148 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:57,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:57,149 INFO L85 PathProgramCache]: Analyzing trace with hash 748415565, now seen corresponding path program 2 times [2024-10-14 20:34:57,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:57,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274370622] [2024-10-14 20:34:57,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:57,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:57,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587522413] [2024-10-14 20:34:57,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:34:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:57,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:57,168 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) [2024-10-14 20:34:57,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:34:57,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:34:57,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:34:57,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:34:57,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:57,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:58,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274370622] [2024-10-14 20:34:58,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587522413] [2024-10-14 20:34:58,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587522413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:58,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:58,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:34:58,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66547754] [2024-10-14 20:34:58,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:58,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:34:58,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:58,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:34:58,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:58,461 INFO L87 Difference]: Start difference. First operand 378 states and 399 transitions. Second operand has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:34:59,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:59,314 INFO L93 Difference]: Finished difference Result 532 states and 609 transitions. [2024-10-14 20:34:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:34:59,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 201 [2024-10-14 20:34:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:59,316 INFO L225 Difference]: With dead ends: 532 [2024-10-14 20:34:59,316 INFO L226 Difference]: Without dead ends: 509 [2024-10-14 20:34:59,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:34:59,317 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 121 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:59,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 457 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:34:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-14 20:34:59,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 501. [2024-10-14 20:34:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 392 states have (on average 1.3239795918367347) internal successors, (519), 469 states have internal predecessors, (519), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 20:34:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 579 transitions. [2024-10-14 20:34:59,336 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 579 transitions. Word has length 201 [2024-10-14 20:34:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:59,337 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 579 transitions. [2024-10-14 20:34:59,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:34:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 579 transitions. [2024-10-14 20:34:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 20:34:59,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:59,338 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:34:59,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:34:59,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:59,539 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:34:59,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1726046128, now seen corresponding path program 2 times [2024-10-14 20:34:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:59,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845841003] [2024-10-14 20:34:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:34:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:34:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:34:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:34:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:34:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:34:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:34:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:34:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:34:59,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845841003] [2024-10-14 20:34:59,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845841003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:59,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371305115] [2024-10-14 20:34:59,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:34:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:59,708 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) [2024-10-14 20:34:59,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:34:59,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:34:59,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:34:59,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:59,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:00,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:00,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371305115] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:00,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:00,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:35:00,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379979774] [2024-10-14 20:35:00,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:00,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:35:00,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:35:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:00,358 INFO L87 Difference]: Start difference. First operand 501 states and 579 transitions. Second operand has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:35:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:02,627 INFO L93 Difference]: Finished difference Result 501 states and 579 transitions. [2024-10-14 20:35:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 202 [2024-10-14 20:35:02,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:02,629 INFO L225 Difference]: With dead ends: 501 [2024-10-14 20:35:02,629 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 20:35:02,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:35:02,629 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 425 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:02,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 635 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 20:35:02,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 20:35:02,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2024-10-14 20:35:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 392 states have (on average 1.3035714285714286) internal successors, (511), 465 states have internal predecessors, (511), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 20:35:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 571 transitions. [2024-10-14 20:35:02,648 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 571 transitions. Word has length 202 [2024-10-14 20:35:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:02,650 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 571 transitions. [2024-10-14 20:35:02,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:35:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 571 transitions. [2024-10-14 20:35:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-14 20:35:02,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:02,651 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:35:02,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:02,851 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,SelfDestructingSolverStorable31 [2024-10-14 20:35:02,852 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:02,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1967822511, now seen corresponding path program 2 times [2024-10-14 20:35:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:02,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366644015] [2024-10-14 20:35:02,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:03,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:03,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366644015] [2024-10-14 20:35:03,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366644015] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:03,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479236964] [2024-10-14 20:35:03,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:03,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:03,017 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) [2024-10-14 20:35:03,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:35:03,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:03,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:03,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:03,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:03,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:03,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479236964] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:03,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:03,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:35:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863526409] [2024-10-14 20:35:03,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:03,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:35:03,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:03,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:35:03,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:03,638 INFO L87 Difference]: Start difference. First operand 497 states and 571 transitions. Second operand has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:35:04,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:04,897 INFO L93 Difference]: Finished difference Result 549 states and 614 transitions. [2024-10-14 20:35:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:35:04,897 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2024-10-14 20:35:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:04,899 INFO L225 Difference]: With dead ends: 549 [2024-10-14 20:35:04,899 INFO L226 Difference]: Without dead ends: 547 [2024-10-14 20:35:04,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:35:04,899 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 510 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:04,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 517 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 20:35:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-10-14 20:35:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 525. [2024-10-14 20:35:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 417 states have (on average 1.290167865707434) internal successors, (538), 490 states have internal predecessors, (538), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 20:35:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 604 transitions. [2024-10-14 20:35:04,915 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 604 transitions. Word has length 203 [2024-10-14 20:35:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:04,915 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 604 transitions. [2024-10-14 20:35:04,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-14 20:35:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 604 transitions. [2024-10-14 20:35:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-14 20:35:04,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:04,926 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:35:04,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:35:05,127 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,SelfDestructingSolverStorable32 [2024-10-14 20:35:05,127 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:05,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:05,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1291825937, now seen corresponding path program 1 times [2024-10-14 20:35:05,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:05,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74313774] [2024-10-14 20:35:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:05,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:05,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74313774] [2024-10-14 20:35:05,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74313774] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:05,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207488916] [2024-10-14 20:35:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:05,378 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) [2024-10-14 20:35:05,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:35:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:05,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:35:05,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:05,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:10,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207488916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:10,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:10,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 20:35:10,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725350952] [2024-10-14 20:35:10,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:10,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:10,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:10,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:10,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2024-10-14 20:35:10,111 INFO L87 Difference]: Start difference. First operand 525 states and 604 transitions. Second operand has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-14 20:35:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:13,818 INFO L93 Difference]: Finished difference Result 525 states and 604 transitions. [2024-10-14 20:35:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:13,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 205 [2024-10-14 20:35:13,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:13,820 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:13,820 INFO L226 Difference]: Without dead ends: 511 [2024-10-14 20:35:13,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=112, Invalid=307, Unknown=1, NotChecked=0, Total=420 [2024-10-14 20:35:13,820 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 683 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:13,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 560 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-14 20:35:13,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-10-14 20:35:13,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 507. [2024-10-14 20:35:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 413 states have (on average 1.2469733656174333) internal successors, (515), 472 states have internal predecessors, (515), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 20:35:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 581 transitions. [2024-10-14 20:35:13,838 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 581 transitions. Word has length 205 [2024-10-14 20:35:13,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:13,838 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 581 transitions. [2024-10-14 20:35:13,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-14 20:35:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 581 transitions. [2024-10-14 20:35:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-14 20:35:13,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:13,839 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:35:13,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-14 20:35:14,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:14,040 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:14,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:14,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1879617366, now seen corresponding path program 1 times [2024-10-14 20:35:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:14,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088133513] [2024-10-14 20:35:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:14,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435124679] [2024-10-14 20:35:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:14,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:14,061 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) [2024-10-14 20:35:14,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:35:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:14,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:35:14,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:14,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:15,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088133513] [2024-10-14 20:35:15,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435124679] [2024-10-14 20:35:15,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435124679] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:15,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:15,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-14 20:35:15,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48787619] [2024-10-14 20:35:15,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:15,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:35:15,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:15,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:35:15,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:35:15,234 INFO L87 Difference]: Start difference. First operand 507 states and 581 transitions. Second operand has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-14 20:35:20,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:20,229 INFO L93 Difference]: Finished difference Result 808 states and 979 transitions. [2024-10-14 20:35:20,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:35:20,229 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 208 [2024-10-14 20:35:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:20,234 INFO L225 Difference]: With dead ends: 808 [2024-10-14 20:35:20,234 INFO L226 Difference]: Without dead ends: 723 [2024-10-14 20:35:20,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:35:20,235 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1055 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:20,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 965 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-14 20:35:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-10-14 20:35:20,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 525. [2024-10-14 20:35:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 430 states have (on average 1.2232558139534884) internal successors, (526), 488 states have internal predecessors, (526), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:35:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 596 transitions. [2024-10-14 20:35:20,263 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 596 transitions. Word has length 208 [2024-10-14 20:35:20,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:20,264 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 596 transitions. [2024-10-14 20:35:20,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-14 20:35:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 596 transitions. [2024-10-14 20:35:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-14 20:35:20,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:20,266 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-14 20:35:20,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:20,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:20,466 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:20,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:20,467 INFO L85 PathProgramCache]: Analyzing trace with hash -534121365, now seen corresponding path program 1 times [2024-10-14 20:35:20,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:20,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807886288] [2024-10-14 20:35:20,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:20,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 20:35:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 20:35:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2024-10-14 20:35:20,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:20,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807886288] [2024-10-14 20:35:20,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807886288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:20,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:20,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:20,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380528222] [2024-10-14 20:35:20,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:20,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:35:20,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:20,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:35:20,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:20,551 INFO L87 Difference]: Start difference. First operand 525 states and 596 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:35:20,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:20,921 INFO L93 Difference]: Finished difference Result 525 states and 596 transitions. [2024-10-14 20:35:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:35:20,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 246 [2024-10-14 20:35:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:20,924 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:20,924 INFO L226 Difference]: Without dead ends: 524 [2024-10-14 20:35:20,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:20,924 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 122 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:20,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 144 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-10-14 20:35:20,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-10-14 20:35:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 430 states have (on average 1.216279069767442) internal successors, (523), 487 states have internal predecessors, (523), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:35:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 593 transitions. [2024-10-14 20:35:20,950 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 593 transitions. Word has length 246 [2024-10-14 20:35:20,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:20,951 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 593 transitions. [2024-10-14 20:35:20,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:35:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 593 transitions. [2024-10-14 20:35:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-14 20:35:20,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:20,952 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:20,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 20:35:20,953 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:20,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash -146920684, now seen corresponding path program 2 times [2024-10-14 20:35:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:20,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141976664] [2024-10-14 20:35:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:20,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700174272] [2024-10-14 20:35:20,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:20,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:20,980 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) [2024-10-14 20:35:20,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:35:21,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:21,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:21,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:35:21,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:21,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:22,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:22,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141976664] [2024-10-14 20:35:22,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:22,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700174272] [2024-10-14 20:35:22,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700174272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:22,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:22,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:35:22,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822300960] [2024-10-14 20:35:22,546 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:22,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:22,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:22,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:22,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:22,547 INFO L87 Difference]: Start difference. First operand 524 states and 593 transitions. Second operand has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 20:35:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:24,876 INFO L93 Difference]: Finished difference Result 524 states and 593 transitions. [2024-10-14 20:35:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:35:24,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 250 [2024-10-14 20:35:24,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:24,878 INFO L225 Difference]: With dead ends: 524 [2024-10-14 20:35:24,878 INFO L226 Difference]: Without dead ends: 523 [2024-10-14 20:35:24,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:35:24,879 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 552 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:24,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 152 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 20:35:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-14 20:35:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-10-14 20:35:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2116279069767442) internal successors, (521), 486 states have internal predecessors, (521), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:35:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 591 transitions. [2024-10-14 20:35:24,899 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 591 transitions. Word has length 250 [2024-10-14 20:35:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:24,899 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 591 transitions. [2024-10-14 20:35:24,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 20:35:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 591 transitions. [2024-10-14 20:35:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 20:35:24,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:24,901 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:24,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:25,101 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,SelfDestructingSolverStorable36 [2024-10-14 20:35:25,101 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:25,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:25,101 INFO L85 PathProgramCache]: Analyzing trace with hash -259573722, now seen corresponding path program 2 times [2024-10-14 20:35:25,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:25,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909261824] [2024-10-14 20:35:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:25,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:25,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [301669174] [2024-10-14 20:35:25,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:25,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:25,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:25,127 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) [2024-10-14 20:35:25,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:35:25,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:25,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:25,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:35:25,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:25,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:26,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909261824] [2024-10-14 20:35:26,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301669174] [2024-10-14 20:35:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301669174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:26,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:35:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245947993] [2024-10-14 20:35:26,837 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:26,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:26,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:26,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:26,838 INFO L87 Difference]: Start difference. First operand 523 states and 591 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 20:35:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:27,219 INFO L93 Difference]: Finished difference Result 524 states and 591 transitions. [2024-10-14 20:35:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:35:27,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 251 [2024-10-14 20:35:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:27,221 INFO L225 Difference]: With dead ends: 524 [2024-10-14 20:35:27,221 INFO L226 Difference]: Without dead ends: 523 [2024-10-14 20:35:27,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:27,221 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 92 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:27,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1008 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-14 20:35:27,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-10-14 20:35:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2093023255813953) internal successors, (520), 486 states have internal predecessors, (520), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:35:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 590 transitions. [2024-10-14 20:35:27,242 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 590 transitions. Word has length 251 [2024-10-14 20:35:27,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:27,242 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 590 transitions. [2024-10-14 20:35:27,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 20:35:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 590 transitions. [2024-10-14 20:35:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-10-14 20:35:27,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:27,243 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:27,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:27,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:35:27,444 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:27,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2019432552, now seen corresponding path program 2 times [2024-10-14 20:35:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161377714] [2024-10-14 20:35:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:27,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655598092] [2024-10-14 20:35:27,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:27,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:27,476 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) [2024-10-14 20:35:27,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:35:27,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:27,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:27,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:35:27,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:29,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:31,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:31,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161377714] [2024-10-14 20:35:31,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:31,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655598092] [2024-10-14 20:35:31,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655598092] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:31,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:31,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-10-14 20:35:31,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834624437] [2024-10-14 20:35:31,020 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:31,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:35:31,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:31,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:35:31,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:35:31,022 INFO L87 Difference]: Start difference. First operand 523 states and 590 transitions. Second operand has 19 states, 18 states have (on average 19.5) internal successors, (351), 19 states have internal predecessors, (351), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32)