./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.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 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:43:41,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:43:41,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:43:41,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:43:41,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:43:41,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:43:41,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:43:41,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:43:41,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:43:41,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:43:41,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:43:41,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:43:41,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:43:41,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:43:41,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:43:41,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:43:41,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:43:41,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:43:41,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:43:41,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:43:41,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:43:41,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:43:41,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:43:41,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:43:41,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:43:41,709 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:43:41,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:43:41,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:43:41,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:43:41,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:43:41,710 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:43:41,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:43:41,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:43:41,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:43:41,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:43:41,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:43:41,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:43:41,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:43:41,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:43:41,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2024-11-17 04:43:41,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:43:41,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:43:41,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:43:41,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:43:41,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:43:41,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2024-11-17 04:43:43,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:43:43,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:43:43,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2024-11-17 04:43:43,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a073d54/5061992e65074d3685b7d3ae3c851e9c/FLAG6d8257cee [2024-11-17 04:43:43,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a073d54/5061992e65074d3685b7d3ae3c851e9c [2024-11-17 04:43:43,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:43:43,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:43:43,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:43:43,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:43:43,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:43:43,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d573b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43, skipping insertion in model container [2024-11-17 04:43:43,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:43:43,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:43:43,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:43:43,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:43:43,518 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:43:43,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43 WrapperNode [2024-11-17 04:43:43,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:43:43,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:43:43,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:43:43,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:43:43,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,564 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-17 04:43:43,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:43:43,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:43:43,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:43:43,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:43:43,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,599 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:43:43,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,606 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:43:43,614 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:43:43,614 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:43:43,614 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:43:43,615 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (1/1) ... [2024-11-17 04:43:43,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:43:43,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:43,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:43:43,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:43:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:43:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:43:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:43:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:43:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:43:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:43:43,743 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:43:43,746 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:43:44,088 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-17 04:43:44,088 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:43:44,108 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:43:44,108 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:43:44,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:43:44 BoogieIcfgContainer [2024-11-17 04:43:44,108 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:43:44,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:43:44,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:43:44,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:43:44,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:43:43" (1/3) ... [2024-11-17 04:43:44,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17da5f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:43:44, skipping insertion in model container [2024-11-17 04:43:44,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:43" (2/3) ... [2024-11-17 04:43:44,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17da5f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:43:44, skipping insertion in model container [2024-11-17 04:43:44,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:43:44" (3/3) ... [2024-11-17 04:43:44,118 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound10.c [2024-11-17 04:43:44,131 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:43:44,131 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-17 04:43:44,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:43:44,189 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;@6c31cf17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:43:44,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-17 04:43:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 117 states have internal predecessors, (125), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:43:44,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:44,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:43:44,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:44,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash 171117630, now seen corresponding path program 1 times [2024-11-17 04:43:44,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:44,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686031862] [2024-11-17 04:43:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:44,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:44,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:44,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686031862] [2024-11-17 04:43:44,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686031862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:44,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:44,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:43:44,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860614405] [2024-11-17 04:43:44,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:43:44,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:43:44,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:43:44,352 INFO L87 Difference]: Start difference. First operand has 122 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 117 states have internal predecessors, (125), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:44,382 INFO L93 Difference]: Finished difference Result 240 states and 260 transitions. [2024-11-17 04:43:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:43:44,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:43:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:44,390 INFO L225 Difference]: With dead ends: 240 [2024-11-17 04:43:44,390 INFO L226 Difference]: Without dead ends: 115 [2024-11-17 04:43:44,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:43:44,397 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:44,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:44,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-17 04:43:44,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-17 04:43:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.7058823529411764) internal successors, (116), 111 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:43:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 120 transitions. [2024-11-17 04:43:44,435 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 120 transitions. Word has length 6 [2024-11-17 04:43:44,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:44,436 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 120 transitions. [2024-11-17 04:43:44,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2024-11-17 04:43:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:43:44,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:44,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:43:44,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:43:44,438 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:44,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:44,438 INFO L85 PathProgramCache]: Analyzing trace with hash 171147421, now seen corresponding path program 1 times [2024-11-17 04:43:44,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:44,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884078283] [2024-11-17 04:43:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:44,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:44,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884078283] [2024-11-17 04:43:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884078283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:44,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:44,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:43:44,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657592226] [2024-11-17 04:43:44,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:44,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:44,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:44,570 INFO L87 Difference]: Start difference. First operand 115 states and 120 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:44,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:44,637 INFO L93 Difference]: Finished difference Result 135 states and 140 transitions. [2024-11-17 04:43:44,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:44,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:43:44,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:44,639 INFO L225 Difference]: With dead ends: 135 [2024-11-17 04:43:44,641 INFO L226 Difference]: Without dead ends: 120 [2024-11-17 04:43:44,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:44,642 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 6 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:44,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 339 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:44,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-17 04:43:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-17 04:43:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.6575342465753424) internal successors, (121), 116 states have internal predecessors, (121), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:43:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 125 transitions. [2024-11-17 04:43:44,651 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 125 transitions. Word has length 6 [2024-11-17 04:43:44,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:44,651 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 125 transitions. [2024-11-17 04:43:44,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2024-11-17 04:43:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:43:44,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:44,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:44,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:43:44,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:44,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:44,653 INFO L85 PathProgramCache]: Analyzing trace with hash -851578279, now seen corresponding path program 1 times [2024-11-17 04:43:44,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:44,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037377193] [2024-11-17 04:43:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:44,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:44,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874567533] [2024-11-17 04:43:44,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:44,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:44,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:44,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:44,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:43:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:44,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:44,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:44,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:44,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:44,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037377193] [2024-11-17 04:43:44,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:44,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874567533] [2024-11-17 04:43:44,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874567533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:44,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:44,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:43:44,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652613316] [2024-11-17 04:43:44,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:44,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:44,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:44,864 INFO L87 Difference]: Start difference. First operand 120 states and 125 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:45,139 INFO L93 Difference]: Finished difference Result 164 states and 185 transitions. [2024-11-17 04:43:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:45,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-17 04:43:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:45,141 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:43:45,141 INFO L226 Difference]: Without dead ends: 153 [2024-11-17 04:43:45,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:45,142 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 185 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:45,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 166 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-17 04:43:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 144. [2024-11-17 04:43:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 97 states have (on average 1.597938144329897) internal successors, (155), 138 states have internal predecessors, (155), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:43:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 163 transitions. [2024-11-17 04:43:45,151 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 163 transitions. Word has length 10 [2024-11-17 04:43:45,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:45,151 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 163 transitions. [2024-11-17 04:43:45,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2024-11-17 04:43:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:43:45,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:45,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:45,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:43:45,355 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 [2024-11-17 04:43:45,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:45,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash -629122799, now seen corresponding path program 1 times [2024-11-17 04:43:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:45,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746309190] [2024-11-17 04:43:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:45,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128003741] [2024-11-17 04:43:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:45,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:45,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:45,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:43:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:45,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:45,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:45,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:45,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746309190] [2024-11-17 04:43:45,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:45,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128003741] [2024-11-17 04:43:45,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128003741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:45,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:45,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:43:45,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448226460] [2024-11-17 04:43:45,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:45,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:45,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:45,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:45,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:45,513 INFO L87 Difference]: Start difference. First operand 144 states and 163 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:45,771 INFO L93 Difference]: Finished difference Result 203 states and 243 transitions. [2024-11-17 04:43:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:45,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-11-17 04:43:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:45,772 INFO L225 Difference]: With dead ends: 203 [2024-11-17 04:43:45,773 INFO L226 Difference]: Without dead ends: 185 [2024-11-17 04:43:45,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:45,774 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 200 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:45,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 156 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-17 04:43:45,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 174. [2024-11-17 04:43:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 128 states have (on average 1.546875) internal successors, (198), 167 states have internal predecessors, (198), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:43:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 208 transitions. [2024-11-17 04:43:45,782 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 208 transitions. Word has length 11 [2024-11-17 04:43:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:45,783 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 208 transitions. [2024-11-17 04:43:45,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 208 transitions. [2024-11-17 04:43:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:43:45,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:45,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:45,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:43:45,984 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,SelfDestructingSolverStorable3 [2024-11-17 04:43:45,984 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:45,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:45,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1972029783, now seen corresponding path program 1 times [2024-11-17 04:43:45,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:45,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842258617] [2024-11-17 04:43:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:45,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:45,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483293807] [2024-11-17 04:43:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:45,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:45,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:43:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:43:46,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:46,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:46,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842258617] [2024-11-17 04:43:46,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483293807] [2024-11-17 04:43:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483293807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:46,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:46,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:43:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366769485] [2024-11-17 04:43:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:46,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:46,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:46,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:46,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:46,138 INFO L87 Difference]: Start difference. First operand 174 states and 208 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:46,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:46,361 INFO L93 Difference]: Finished difference Result 187 states and 220 transitions. [2024-11-17 04:43:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:46,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2024-11-17 04:43:46,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:46,362 INFO L225 Difference]: With dead ends: 187 [2024-11-17 04:43:46,362 INFO L226 Difference]: Without dead ends: 186 [2024-11-17 04:43:46,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:46,363 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 167 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:46,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 177 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-17 04:43:46,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 174. [2024-11-17 04:43:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 128 states have (on average 1.5390625) internal successors, (197), 167 states have internal predecessors, (197), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:43:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 207 transitions. [2024-11-17 04:43:46,377 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 207 transitions. Word has length 12 [2024-11-17 04:43:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:46,378 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 207 transitions. [2024-11-17 04:43:46,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 207 transitions. [2024-11-17 04:43:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:43:46,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:46,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:46,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:43:46,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,586 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:46,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:46,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1003381199, now seen corresponding path program 1 times [2024-11-17 04:43:46,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:46,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920955689] [2024-11-17 04:43:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:46,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:46,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986552151] [2024-11-17 04:43:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:46,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:46,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:43:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:43:46,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:46,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:46,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920955689] [2024-11-17 04:43:46,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986552151] [2024-11-17 04:43:46,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986552151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:46,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:46,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:43:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111699261] [2024-11-17 04:43:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:46,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:46,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:46,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:46,730 INFO L87 Difference]: Start difference. First operand 174 states and 207 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:47,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:47,068 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2024-11-17 04:43:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:47,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2024-11-17 04:43:47,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:47,070 INFO L225 Difference]: With dead ends: 182 [2024-11-17 04:43:47,070 INFO L226 Difference]: Without dead ends: 179 [2024-11-17 04:43:47,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:47,071 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 192 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:47,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 162 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:47,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-17 04:43:47,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 174. [2024-11-17 04:43:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 128 states have (on average 1.5078125) internal successors, (193), 167 states have internal predecessors, (193), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:43:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 203 transitions. [2024-11-17 04:43:47,079 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 203 transitions. Word has length 13 [2024-11-17 04:43:47,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:47,079 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 203 transitions. [2024-11-17 04:43:47,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 203 transitions. [2024-11-17 04:43:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:43:47,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:47,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:47,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:43:47,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:47,280 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:47,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:47,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1040046165, now seen corresponding path program 1 times [2024-11-17 04:43:47,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:47,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581692321] [2024-11-17 04:43:47,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:47,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:47,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:47,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581692321] [2024-11-17 04:43:47,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581692321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:47,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:47,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717643473] [2024-11-17 04:43:47,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:47,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:47,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:47,351 INFO L87 Difference]: Start difference. First operand 174 states and 203 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:48,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:48,781 INFO L93 Difference]: Finished difference Result 292 states and 338 transitions. [2024-11-17 04:43:48,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-17 04:43:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:48,783 INFO L225 Difference]: With dead ends: 292 [2024-11-17 04:43:48,783 INFO L226 Difference]: Without dead ends: 291 [2024-11-17 04:43:48,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:48,784 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 86 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:48,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 184 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 04:43:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-17 04:43:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 203. [2024-11-17 04:43:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 156 states have (on average 1.5128205128205128) internal successors, (236), 195 states have internal predecessors, (236), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-17 04:43:48,792 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 14 [2024-11-17 04:43:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:48,793 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-17 04:43:48,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-17 04:43:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:43:48,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:48,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:48,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:43:48,794 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:48,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:48,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2118307187, now seen corresponding path program 1 times [2024-11-17 04:43:48,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:48,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570658142] [2024-11-17 04:43:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:48,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:48,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:48,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570658142] [2024-11-17 04:43:48,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570658142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:48,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:48,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:48,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650862086] [2024-11-17 04:43:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:48,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:48,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:48,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:48,945 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:50,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:50,542 INFO L93 Difference]: Finished difference Result 292 states and 336 transitions. [2024-11-17 04:43:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:50,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-17 04:43:50,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:50,543 INFO L225 Difference]: With dead ends: 292 [2024-11-17 04:43:50,544 INFO L226 Difference]: Without dead ends: 291 [2024-11-17 04:43:50,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:50,545 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 110 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:50,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 188 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:43:50,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-17 04:43:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 203. [2024-11-17 04:43:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 156 states have (on average 1.5) internal successors, (234), 195 states have internal predecessors, (234), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 246 transitions. [2024-11-17 04:43:50,554 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 246 transitions. Word has length 15 [2024-11-17 04:43:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:50,554 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 246 transitions. [2024-11-17 04:43:50,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:43:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 246 transitions. [2024-11-17 04:43:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:43:50,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:50,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:50,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:43:50,556 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:50,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:50,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1074482104, now seen corresponding path program 1 times [2024-11-17 04:43:50,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:50,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664612471] [2024-11-17 04:43:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:50,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94883180] [2024-11-17 04:43:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:50,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:50,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:50,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:43:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:50,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:50,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:50,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:50,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664612471] [2024-11-17 04:43:50,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:50,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94883180] [2024-11-17 04:43:50,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94883180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:50,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:50,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885511647] [2024-11-17 04:43:50,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:50,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:50,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:50,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:50,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:50,702 INFO L87 Difference]: Start difference. First operand 203 states and 246 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:50,950 INFO L93 Difference]: Finished difference Result 271 states and 336 transitions. [2024-11-17 04:43:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:50,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-17 04:43:50,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:50,951 INFO L225 Difference]: With dead ends: 271 [2024-11-17 04:43:50,951 INFO L226 Difference]: Without dead ends: 265 [2024-11-17 04:43:50,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:50,952 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 185 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:50,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 123 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:50,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-17 04:43:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 244. [2024-11-17 04:43:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.5051020408163265) internal successors, (295), 235 states have internal predecessors, (295), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:43:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 309 transitions. [2024-11-17 04:43:50,959 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 309 transitions. Word has length 30 [2024-11-17 04:43:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:50,959 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 309 transitions. [2024-11-17 04:43:50,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 309 transitions. [2024-11-17 04:43:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:43:50,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:50,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:50,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:43:51,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:51,162 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:51,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:51,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1110377906, now seen corresponding path program 1 times [2024-11-17 04:43:51,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:51,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515536260] [2024-11-17 04:43:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:51,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:51,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:51,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515536260] [2024-11-17 04:43:51,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515536260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:51,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:51,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:51,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963543504] [2024-11-17 04:43:51,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:51,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:51,256 INFO L87 Difference]: Start difference. First operand 244 states and 309 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:51,849 INFO L93 Difference]: Finished difference Result 332 states and 397 transitions. [2024-11-17 04:43:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:51,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 04:43:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:51,851 INFO L225 Difference]: With dead ends: 332 [2024-11-17 04:43:51,851 INFO L226 Difference]: Without dead ends: 331 [2024-11-17 04:43:51,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:51,851 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 73 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:51,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 256 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:51,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-17 04:43:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 256. [2024-11-17 04:43:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 208 states have (on average 1.5) internal successors, (312), 247 states have internal predecessors, (312), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:43:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 326 transitions. [2024-11-17 04:43:51,858 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 326 transitions. Word has length 31 [2024-11-17 04:43:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:51,858 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 326 transitions. [2024-11-17 04:43:51,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 326 transitions. [2024-11-17 04:43:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:43:51,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:51,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:51,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:43:51,859 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:51,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1050793127, now seen corresponding path program 1 times [2024-11-17 04:43:51,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:51,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112093170] [2024-11-17 04:43:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:51,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522708353] [2024-11-17 04:43:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:51,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:51,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:43:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:51,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:51,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:51,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:51,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:51,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112093170] [2024-11-17 04:43:51,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:51,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522708353] [2024-11-17 04:43:51,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522708353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:51,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:51,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:51,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019924775] [2024-11-17 04:43:51,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:51,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:51,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:51,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:51,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:51,980 INFO L87 Difference]: Start difference. First operand 256 states and 326 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:52,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:52,201 INFO L93 Difference]: Finished difference Result 334 states and 436 transitions. [2024-11-17 04:43:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:52,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 04:43:52,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:52,203 INFO L225 Difference]: With dead ends: 334 [2024-11-17 04:43:52,203 INFO L226 Difference]: Without dead ends: 328 [2024-11-17 04:43:52,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:43:52,204 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 231 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:52,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 100 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:52,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-17 04:43:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 306. [2024-11-17 04:43:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 257 states have (on average 1.5330739299610896) internal successors, (394), 296 states have internal predecessors, (394), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 410 transitions. [2024-11-17 04:43:52,211 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 410 transitions. Word has length 31 [2024-11-17 04:43:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:52,211 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 410 transitions. [2024-11-17 04:43:52,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 410 transitions. [2024-11-17 04:43:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:43:52,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:52,212 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:52,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:52,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:52,416 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:52,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:52,417 INFO L85 PathProgramCache]: Analyzing trace with hash 61976717, now seen corresponding path program 1 times [2024-11-17 04:43:52,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556858712] [2024-11-17 04:43:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:52,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:52,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556858712] [2024-11-17 04:43:52,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556858712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:52,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:52,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:52,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667330297] [2024-11-17 04:43:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:52,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:52,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:52,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:52,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:52,550 INFO L87 Difference]: Start difference. First operand 306 states and 410 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:53,569 INFO L93 Difference]: Finished difference Result 392 states and 496 transitions. [2024-11-17 04:43:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:53,569 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-17 04:43:53,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:53,570 INFO L225 Difference]: With dead ends: 392 [2024-11-17 04:43:53,570 INFO L226 Difference]: Without dead ends: 391 [2024-11-17 04:43:53,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:53,571 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 72 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:53,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 246 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:43:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-17 04:43:53,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 308. [2024-11-17 04:43:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 259 states have (on average 1.528957528957529) internal successors, (396), 298 states have internal predecessors, (396), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 412 transitions. [2024-11-17 04:43:53,578 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 412 transitions. Word has length 32 [2024-11-17 04:43:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:53,580 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 412 transitions. [2024-11-17 04:43:53,580 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:53,580 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 412 transitions. [2024-11-17 04:43:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:43:53,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:53,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:53,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:43:53,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:53,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:53,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1785151446, now seen corresponding path program 1 times [2024-11-17 04:43:53,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:53,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547612666] [2024-11-17 04:43:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:53,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:53,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:53,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547612666] [2024-11-17 04:43:53,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547612666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:53,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:53,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:53,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873219182] [2024-11-17 04:43:53,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:53,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:53,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:53,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:53,646 INFO L87 Difference]: Start difference. First operand 308 states and 412 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:54,112 INFO L93 Difference]: Finished difference Result 392 states and 494 transitions. [2024-11-17 04:43:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:54,112 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-17 04:43:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:54,114 INFO L225 Difference]: With dead ends: 392 [2024-11-17 04:43:54,114 INFO L226 Difference]: Without dead ends: 391 [2024-11-17 04:43:54,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:54,114 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 74 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:54,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 226 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-17 04:43:54,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 319. [2024-11-17 04:43:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 270 states have (on average 1.525925925925926) internal successors, (412), 309 states have internal predecessors, (412), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2024-11-17 04:43:54,121 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 32 [2024-11-17 04:43:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:54,122 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2024-11-17 04:43:54,122 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2024-11-17 04:43:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:43:54,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:54,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:54,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:43:54,123 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:54,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:54,123 INFO L85 PathProgramCache]: Analyzing trace with hash -494880009, now seen corresponding path program 1 times [2024-11-17 04:43:54,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:54,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373125965] [2024-11-17 04:43:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:54,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:54,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:54,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373125965] [2024-11-17 04:43:54,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373125965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:54,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:54,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266042855] [2024-11-17 04:43:54,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:54,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:54,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:54,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:54,262 INFO L87 Difference]: Start difference. First operand 319 states and 428 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:55,137 INFO L93 Difference]: Finished difference Result 392 states and 492 transitions. [2024-11-17 04:43:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:55,138 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-17 04:43:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:55,139 INFO L225 Difference]: With dead ends: 392 [2024-11-17 04:43:55,139 INFO L226 Difference]: Without dead ends: 391 [2024-11-17 04:43:55,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:55,140 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 71 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:55,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 256 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:43:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-17 04:43:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 321. [2024-11-17 04:43:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 272 states have (on average 1.5220588235294117) internal successors, (414), 311 states have internal predecessors, (414), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 430 transitions. [2024-11-17 04:43:55,147 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 430 transitions. Word has length 33 [2024-11-17 04:43:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:55,148 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 430 transitions. [2024-11-17 04:43:55,148 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 430 transitions. [2024-11-17 04:43:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:43:55,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:55,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:55,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:43:55,150 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:55,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 239479281, now seen corresponding path program 1 times [2024-11-17 04:43:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339890039] [2024-11-17 04:43:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:55,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:55,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:55,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339890039] [2024-11-17 04:43:55,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339890039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:55,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:55,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:43:55,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669955922] [2024-11-17 04:43:55,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:55,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:55,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:55,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:55,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:55,212 INFO L87 Difference]: Start difference. First operand 321 states and 430 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:55,588 INFO L93 Difference]: Finished difference Result 450 states and 622 transitions. [2024-11-17 04:43:55,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:55,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-17 04:43:55,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:55,589 INFO L225 Difference]: With dead ends: 450 [2024-11-17 04:43:55,590 INFO L226 Difference]: Without dead ends: 448 [2024-11-17 04:43:55,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:55,590 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 331 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:55,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 100 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-17 04:43:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 329. [2024-11-17 04:43:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.5107142857142857) internal successors, (423), 319 states have internal predecessors, (423), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 439 transitions. [2024-11-17 04:43:55,612 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 439 transitions. Word has length 33 [2024-11-17 04:43:55,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:55,613 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 439 transitions. [2024-11-17 04:43:55,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 439 transitions. [2024-11-17 04:43:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:43:55,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:55,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:55,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:43:55,613 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:55,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:55,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1166076842, now seen corresponding path program 1 times [2024-11-17 04:43:55,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:55,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730822516] [2024-11-17 04:43:55,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:55,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:55,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:55,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730822516] [2024-11-17 04:43:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730822516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:55,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:55,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:43:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468065370] [2024-11-17 04:43:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:55,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:55,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:55,691 INFO L87 Difference]: Start difference. First operand 329 states and 439 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:56,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:56,160 INFO L93 Difference]: Finished difference Result 338 states and 446 transitions. [2024-11-17 04:43:56,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:56,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-17 04:43:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:56,162 INFO L225 Difference]: With dead ends: 338 [2024-11-17 04:43:56,162 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 04:43:56,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:56,163 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 273 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:56,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 97 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:56,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 04:43:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 329. [2024-11-17 04:43:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 280 states have (on average 1.5) internal successors, (420), 319 states have internal predecessors, (420), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 436 transitions. [2024-11-17 04:43:56,171 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 436 transitions. Word has length 34 [2024-11-17 04:43:56,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:56,171 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 436 transitions. [2024-11-17 04:43:56,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 436 transitions. [2024-11-17 04:43:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:43:56,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:56,172 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:56,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:43:56,172 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:56,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1358535978, now seen corresponding path program 1 times [2024-11-17 04:43:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:56,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658898616] [2024-11-17 04:43:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:56,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:56,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658898616] [2024-11-17 04:43:56,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658898616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:56,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642603247] [2024-11-17 04:43:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:56,239 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:56,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:43:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:56,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:56,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:56,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642603247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:56,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:56,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-17 04:43:56,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106721509] [2024-11-17 04:43:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:56,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:56,316 INFO L87 Difference]: Start difference. First operand 329 states and 436 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:56,350 INFO L93 Difference]: Finished difference Result 329 states and 436 transitions. [2024-11-17 04:43:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-17 04:43:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:56,351 INFO L225 Difference]: With dead ends: 329 [2024-11-17 04:43:56,351 INFO L226 Difference]: Without dead ends: 328 [2024-11-17 04:43:56,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:56,352 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 172 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:56,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 218 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-17 04:43:56,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2024-11-17 04:43:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 280 states have (on average 1.4821428571428572) internal successors, (415), 318 states have internal predecessors, (415), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2024-11-17 04:43:56,359 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 35 [2024-11-17 04:43:56,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:56,360 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2024-11-17 04:43:56,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2024-11-17 04:43:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:43:56,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:56,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:56,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:56,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:56,565 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:56,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:56,565 INFO L85 PathProgramCache]: Analyzing trace with hash 835057723, now seen corresponding path program 1 times [2024-11-17 04:43:56,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:56,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009645344] [2024-11-17 04:43:56,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:56,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:43:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:56,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:56,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009645344] [2024-11-17 04:43:56,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009645344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:56,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80615085] [2024-11-17 04:43:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:56,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:56,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:56,636 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:56,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:43:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:56,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:56,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:56,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80615085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:56,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:56,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2024-11-17 04:43:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232727271] [2024-11-17 04:43:56,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:56,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:43:56,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:43:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:56,793 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:56,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:56,903 INFO L93 Difference]: Finished difference Result 889 states and 1164 transitions. [2024-11-17 04:43:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:43:56,903 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-17 04:43:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:56,906 INFO L225 Difference]: With dead ends: 889 [2024-11-17 04:43:56,906 INFO L226 Difference]: Without dead ends: 873 [2024-11-17 04:43:56,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:43:56,907 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 293 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:56,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1021 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-11-17 04:43:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 782. [2024-11-17 04:43:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 718 states have (on average 1.498607242339833) internal successors, (1076), 760 states have internal predecessors, (1076), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:43:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1118 transitions. [2024-11-17 04:43:56,926 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1118 transitions. Word has length 36 [2024-11-17 04:43:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:56,926 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 1118 transitions. [2024-11-17 04:43:56,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:43:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1118 transitions. [2024-11-17 04:43:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:43:56,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:56,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:56,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:43:57,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:43:57,131 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:57,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash -899673299, now seen corresponding path program 1 times [2024-11-17 04:43:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:57,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889194016] [2024-11-17 04:43:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:57,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250781407] [2024-11-17 04:43:57,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:57,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:57,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:57,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:57,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:43:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:43:57,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:57,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:57,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:57,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889194016] [2024-11-17 04:43:57,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:57,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250781407] [2024-11-17 04:43:57,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250781407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:57,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:43:57,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718227701] [2024-11-17 04:43:57,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:57,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:57,324 INFO L87 Difference]: Start difference. First operand 782 states and 1118 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:57,863 INFO L93 Difference]: Finished difference Result 951 states and 1364 transitions. [2024-11-17 04:43:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:57,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-17 04:43:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:57,867 INFO L225 Difference]: With dead ends: 951 [2024-11-17 04:43:57,867 INFO L226 Difference]: Without dead ends: 943 [2024-11-17 04:43:57,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:57,868 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 270 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:57,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 107 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-17 04:43:57,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 773. [2024-11-17 04:43:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 710 states have (on average 1.4661971830985916) internal successors, (1041), 752 states have internal predecessors, (1041), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 16 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:43:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1081 transitions. [2024-11-17 04:43:57,889 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1081 transitions. Word has length 37 [2024-11-17 04:43:57,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:57,889 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1081 transitions. [2024-11-17 04:43:57,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1081 transitions. [2024-11-17 04:43:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:43:57,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:57,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:57,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:58,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:58,092 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash -2120068462, now seen corresponding path program 1 times [2024-11-17 04:43:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243771678] [2024-11-17 04:43:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:58,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921400303] [2024-11-17 04:43:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:58,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:58,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:43:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:58,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:43:58,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:58,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:58,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:58,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243771678] [2024-11-17 04:43:58,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:58,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921400303] [2024-11-17 04:43:58,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921400303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:58,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:58,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:43:58,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773475192] [2024-11-17 04:43:58,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:58,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:58,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:58,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:58,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:58,277 INFO L87 Difference]: Start difference. First operand 773 states and 1081 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:58,847 INFO L93 Difference]: Finished difference Result 795 states and 1101 transitions. [2024-11-17 04:43:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-17 04:43:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:58,851 INFO L225 Difference]: With dead ends: 795 [2024-11-17 04:43:58,851 INFO L226 Difference]: Without dead ends: 790 [2024-11-17 04:43:58,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:58,852 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 257 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:58,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 141 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:58,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-17 04:43:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 749. [2024-11-17 04:43:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 686 states have (on average 1.4533527696793003) internal successors, (997), 728 states have internal predecessors, (997), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 16 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:43:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1037 transitions. [2024-11-17 04:43:58,873 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1037 transitions. Word has length 38 [2024-11-17 04:43:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:58,873 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1037 transitions. [2024-11-17 04:43:58,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:43:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1037 transitions. [2024-11-17 04:43:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:43:58,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:58,873 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:58,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:59,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:59,075 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:43:59,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:59,075 INFO L85 PathProgramCache]: Analyzing trace with hash 754126866, now seen corresponding path program 1 times [2024-11-17 04:43:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:59,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46470015] [2024-11-17 04:43:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:59,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620111861] [2024-11-17 04:43:59,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:59,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:59,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:59,092 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:59,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:43:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:59,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:43:59,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:43:59,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:00,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:00,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46470015] [2024-11-17 04:44:00,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:00,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620111861] [2024-11-17 04:44:00,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620111861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:00,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:00,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-17 04:44:00,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054625416] [2024-11-17 04:44:00,712 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:00,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:44:00,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:00,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:44:00,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:44:00,713 INFO L87 Difference]: Start difference. First operand 749 states and 1037 transitions. Second operand has 15 states, 14 states have (on average 5.0) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:04,386 INFO L93 Difference]: Finished difference Result 1458 states and 2054 transitions. [2024-11-17 04:44:04,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 04:44:04,387 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.0) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-17 04:44:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:04,391 INFO L225 Difference]: With dead ends: 1458 [2024-11-17 04:44:04,391 INFO L226 Difference]: Without dead ends: 1414 [2024-11-17 04:44:04,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:44:04,392 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 786 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:04,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 175 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-17 04:44:04,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-11-17 04:44:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 959. [2024-11-17 04:44:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 894 states have (on average 1.3993288590604027) internal successors, (1251), 934 states have internal predecessors, (1251), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:44:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1297 transitions. [2024-11-17 04:44:04,432 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1297 transitions. Word has length 39 [2024-11-17 04:44:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:04,432 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1297 transitions. [2024-11-17 04:44:04,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.0) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1297 transitions. [2024-11-17 04:44:04,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:44:04,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:04,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:04,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:44:04,637 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,SelfDestructingSolverStorable20 [2024-11-17 04:44:04,638 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:04,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1297612853, now seen corresponding path program 1 times [2024-11-17 04:44:04,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:04,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566369990] [2024-11-17 04:44:04,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:04,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:44:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:04,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:04,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566369990] [2024-11-17 04:44:04,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566369990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:04,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:04,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:04,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825655221] [2024-11-17 04:44:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:04,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:04,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:04,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:04,697 INFO L87 Difference]: Start difference. First operand 959 states and 1297 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:05,514 INFO L93 Difference]: Finished difference Result 1023 states and 1361 transitions. [2024-11-17 04:44:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-17 04:44:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:05,517 INFO L225 Difference]: With dead ends: 1023 [2024-11-17 04:44:05,517 INFO L226 Difference]: Without dead ends: 1022 [2024-11-17 04:44:05,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:05,518 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 53 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:05,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 225 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:44:05,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-11-17 04:44:05,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 985. [2024-11-17 04:44:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 920 states have (on average 1.4032608695652173) internal successors, (1291), 960 states have internal predecessors, (1291), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:44:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1337 transitions. [2024-11-17 04:44:05,550 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1337 transitions. Word has length 39 [2024-11-17 04:44:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:05,550 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1337 transitions. [2024-11-17 04:44:05,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1337 transitions. [2024-11-17 04:44:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:44:05,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:05,551 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:05,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-17 04:44:05,551 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:05,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:05,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1903096440, now seen corresponding path program 1 times [2024-11-17 04:44:05,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:05,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063186931] [2024-11-17 04:44:05,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:05,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698276352] [2024-11-17 04:44:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:05,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:05,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:05,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:44:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:05,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:44:05,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:05,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:07,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:07,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063186931] [2024-11-17 04:44:07,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:07,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698276352] [2024-11-17 04:44:07,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698276352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:07,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:07,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-17 04:44:07,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13972079] [2024-11-17 04:44:07,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:07,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:44:07,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:07,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:44:07,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:44:07,026 INFO L87 Difference]: Start difference. First operand 985 states and 1337 transitions. Second operand has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:11,571 INFO L93 Difference]: Finished difference Result 1457 states and 2004 transitions. [2024-11-17 04:44:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:44:11,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-17 04:44:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:11,575 INFO L225 Difference]: With dead ends: 1457 [2024-11-17 04:44:11,575 INFO L226 Difference]: Without dead ends: 1417 [2024-11-17 04:44:11,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:44:11,576 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 712 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:11,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 156 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-17 04:44:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-17 04:44:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1066. [2024-11-17 04:44:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 1002 states have (on average 1.3652694610778444) internal successors, (1368), 1041 states have internal predecessors, (1368), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1412 transitions. [2024-11-17 04:44:11,635 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1412 transitions. Word has length 40 [2024-11-17 04:44:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:11,636 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1412 transitions. [2024-11-17 04:44:11,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1412 transitions. [2024-11-17 04:44:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:44:11,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:11,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:11,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:11,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 04:44:11,837 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:11,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:11,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1571292752, now seen corresponding path program 1 times [2024-11-17 04:44:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:11,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018268030] [2024-11-17 04:44:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:11,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:44:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:11,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:11,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018268030] [2024-11-17 04:44:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018268030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:11,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:11,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:11,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329601895] [2024-11-17 04:44:11,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:11,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:11,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:11,875 INFO L87 Difference]: Start difference. First operand 1066 states and 1412 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:12,439 INFO L93 Difference]: Finished difference Result 1091 states and 1422 transitions. [2024-11-17 04:44:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-17 04:44:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:12,446 INFO L225 Difference]: With dead ends: 1091 [2024-11-17 04:44:12,446 INFO L226 Difference]: Without dead ends: 1090 [2024-11-17 04:44:12,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:12,447 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 44 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:12,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 203 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:44:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-17 04:44:12,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1068. [2024-11-17 04:44:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1004 states have (on average 1.3625498007968126) internal successors, (1368), 1043 states have internal predecessors, (1368), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1412 transitions. [2024-11-17 04:44:12,489 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1412 transitions. Word has length 40 [2024-11-17 04:44:12,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:12,490 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1412 transitions. [2024-11-17 04:44:12,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1412 transitions. [2024-11-17 04:44:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:44:12,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:12,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:12,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 04:44:12,491 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:12,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1133552432, now seen corresponding path program 1 times [2024-11-17 04:44:12,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:12,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527919310] [2024-11-17 04:44:12,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:12,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:12,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [408983011] [2024-11-17 04:44:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:12,509 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:12,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:44:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:12,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:44:12,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:12,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:15,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:15,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527919310] [2024-11-17 04:44:15,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:15,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408983011] [2024-11-17 04:44:15,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408983011] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:15,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:15,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-17 04:44:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942434593] [2024-11-17 04:44:15,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:15,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:15,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:15,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:15,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:44:15,272 INFO L87 Difference]: Start difference. First operand 1068 states and 1412 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:17,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:17,490 INFO L93 Difference]: Finished difference Result 1089 states and 1434 transitions. [2024-11-17 04:44:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:44:17,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-17 04:44:17,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:17,493 INFO L225 Difference]: With dead ends: 1089 [2024-11-17 04:44:17,493 INFO L226 Difference]: Without dead ends: 1088 [2024-11-17 04:44:17,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:44:17,494 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 53 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:17,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 117 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 04:44:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-17 04:44:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1087. [2024-11-17 04:44:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 1023 states have (on average 1.3519061583577712) internal successors, (1383), 1062 states have internal predecessors, (1383), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1427 transitions. [2024-11-17 04:44:17,534 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1427 transitions. Word has length 41 [2024-11-17 04:44:17,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:17,535 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1427 transitions. [2024-11-17 04:44:17,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1427 transitions. [2024-11-17 04:44:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:44:17,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:17,539 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:17,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:44:17,739 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 [2024-11-17 04:44:17,739 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:17,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:17,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1471361367, now seen corresponding path program 1 times [2024-11-17 04:44:17,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:17,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832388538] [2024-11-17 04:44:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:17,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581734289] [2024-11-17 04:44:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:17,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:17,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:17,750 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:17,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:44:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:17,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:44:17,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:17,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:17,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832388538] [2024-11-17 04:44:17,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581734289] [2024-11-17 04:44:17,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581734289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:17,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:17,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:44:17,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387679717] [2024-11-17 04:44:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:17,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:44:17,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:17,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:44:17,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:44:17,931 INFO L87 Difference]: Start difference. First operand 1087 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:18,343 INFO L93 Difference]: Finished difference Result 1098 states and 1436 transitions. [2024-11-17 04:44:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:44:18,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-17 04:44:18,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:18,345 INFO L225 Difference]: With dead ends: 1098 [2024-11-17 04:44:18,345 INFO L226 Difference]: Without dead ends: 1097 [2024-11-17 04:44:18,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:44:18,346 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 200 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:18,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 200 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:44:18,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2024-11-17 04:44:18,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1087. [2024-11-17 04:44:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 1023 states have (on average 1.348973607038123) internal successors, (1380), 1062 states have internal predecessors, (1380), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1424 transitions. [2024-11-17 04:44:18,384 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1424 transitions. Word has length 41 [2024-11-17 04:44:18,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:18,384 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1424 transitions. [2024-11-17 04:44:18,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1424 transitions. [2024-11-17 04:44:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:44:18,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:18,385 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:18,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:44:18,585 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 [2024-11-17 04:44:18,586 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:18,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:18,587 INFO L85 PathProgramCache]: Analyzing trace with hash -780386954, now seen corresponding path program 1 times [2024-11-17 04:44:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:18,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913123464] [2024-11-17 04:44:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:18,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868969772] [2024-11-17 04:44:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:18,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:18,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:18,604 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:18,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:44:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:18,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:44:18,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:18,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:20,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913123464] [2024-11-17 04:44:20,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:20,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868969772] [2024-11-17 04:44:20,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868969772] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:20,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:20,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-17 04:44:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686998797] [2024-11-17 04:44:20,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:20,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:20,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:20,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:20,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:44:20,828 INFO L87 Difference]: Start difference. First operand 1087 states and 1424 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:21,844 INFO L93 Difference]: Finished difference Result 1091 states and 1428 transitions. [2024-11-17 04:44:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:44:21,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-17 04:44:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:21,847 INFO L225 Difference]: With dead ends: 1091 [2024-11-17 04:44:21,847 INFO L226 Difference]: Without dead ends: 1090 [2024-11-17 04:44:21,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:44:21,848 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 51 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:21,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 103 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:44:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-17 04:44:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1089. [2024-11-17 04:44:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1025 states have (on average 1.3434146341463415) internal successors, (1377), 1064 states have internal predecessors, (1377), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1421 transitions. [2024-11-17 04:44:21,903 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1421 transitions. Word has length 42 [2024-11-17 04:44:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:21,904 INFO L471 AbstractCegarLoop]: Abstraction has 1089 states and 1421 transitions. [2024-11-17 04:44:21,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1421 transitions. [2024-11-17 04:44:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:44:21,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:21,904 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:21,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:44:22,105 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 [2024-11-17 04:44:22,105 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:22,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash 586149261, now seen corresponding path program 1 times [2024-11-17 04:44:22,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:22,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562295293] [2024-11-17 04:44:22,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:22,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180175114] [2024-11-17 04:44:22,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:22,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:22,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:22,120 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:22,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:44:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:22,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:44:22,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:24,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:25,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562295293] [2024-11-17 04:44:25,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180175114] [2024-11-17 04:44:25,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180175114] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:25,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:25,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-17 04:44:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048516801] [2024-11-17 04:44:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:25,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:44:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:44:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:44:25,632 INFO L87 Difference]: Start difference. First operand 1089 states and 1421 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:31,707 INFO L93 Difference]: Finished difference Result 1116 states and 1453 transitions. [2024-11-17 04:44:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:44:31,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-17 04:44:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:31,710 INFO L225 Difference]: With dead ends: 1116 [2024-11-17 04:44:31,711 INFO L226 Difference]: Without dead ends: 1115 [2024-11-17 04:44:31,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:44:31,711 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 45 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:31,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 156 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-17 04:44:31,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-11-17 04:44:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1114. [2024-11-17 04:44:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1050 states have (on average 1.3361904761904762) internal successors, (1403), 1089 states have internal predecessors, (1403), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1447 transitions. [2024-11-17 04:44:31,752 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1447 transitions. Word has length 42 [2024-11-17 04:44:31,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:31,753 INFO L471 AbstractCegarLoop]: Abstraction has 1114 states and 1447 transitions. [2024-11-17 04:44:31,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1447 transitions. [2024-11-17 04:44:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:44:31,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:31,753 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:31,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:31,954 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 [2024-11-17 04:44:31,954 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:31,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:31,954 INFO L85 PathProgramCache]: Analyzing trace with hash -934031065, now seen corresponding path program 1 times [2024-11-17 04:44:31,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:31,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823071326] [2024-11-17 04:44:31,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:31,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:31,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675206240] [2024-11-17 04:44:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:31,964 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:31,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:44:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:44:31,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:32,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:32,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823071326] [2024-11-17 04:44:32,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675206240] [2024-11-17 04:44:32,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675206240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:32,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:32,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:44:32,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886238124] [2024-11-17 04:44:32,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:32,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:32,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:44:32,143 INFO L87 Difference]: Start difference. First operand 1114 states and 1447 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:32,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:32,403 INFO L93 Difference]: Finished difference Result 1126 states and 1456 transitions. [2024-11-17 04:44:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:44:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-17 04:44:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:32,406 INFO L225 Difference]: With dead ends: 1126 [2024-11-17 04:44:32,406 INFO L226 Difference]: Without dead ends: 1124 [2024-11-17 04:44:32,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:44:32,407 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 218 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:32,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 226 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:32,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-17 04:44:32,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1114. [2024-11-17 04:44:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1050 states have (on average 1.3304761904761904) internal successors, (1397), 1089 states have internal predecessors, (1397), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:32,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1441 transitions. [2024-11-17 04:44:32,453 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1441 transitions. Word has length 43 [2024-11-17 04:44:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:32,453 INFO L471 AbstractCegarLoop]: Abstraction has 1114 states and 1441 transitions. [2024-11-17 04:44:32,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1441 transitions. [2024-11-17 04:44:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:44:32,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:32,454 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:32,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:44:32,658 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 [2024-11-17 04:44:32,659 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 990757977, now seen corresponding path program 1 times [2024-11-17 04:44:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:32,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095961121] [2024-11-17 04:44:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:32,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857535689] [2024-11-17 04:44:32,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:32,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:32,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:32,667 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:32,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:44:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:32,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:44:32,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:33,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095961121] [2024-11-17 04:44:36,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857535689] [2024-11-17 04:44:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857535689] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:36,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-17 04:44:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633554455] [2024-11-17 04:44:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:36,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:44:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:44:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:44:36,948 INFO L87 Difference]: Start difference. First operand 1114 states and 1441 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:41,644 INFO L93 Difference]: Finished difference Result 1122 states and 1453 transitions. [2024-11-17 04:44:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:44:41,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-17 04:44:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:41,647 INFO L225 Difference]: With dead ends: 1122 [2024-11-17 04:44:41,647 INFO L226 Difference]: Without dead ends: 1121 [2024-11-17 04:44:41,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:44:41,648 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 26 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:41,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 160 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-17 04:44:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2024-11-17 04:44:41,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1099. [2024-11-17 04:44:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1035 states have (on average 1.3342995169082126) internal successors, (1381), 1074 states have internal predecessors, (1381), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:44:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1425 transitions. [2024-11-17 04:44:41,683 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1425 transitions. Word has length 43 [2024-11-17 04:44:41,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:41,683 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1425 transitions. [2024-11-17 04:44:41,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1425 transitions. [2024-11-17 04:44:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:44:41,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:41,684 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:41,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:41,884 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 [2024-11-17 04:44:41,884 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:41,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1109808123, now seen corresponding path program 1 times [2024-11-17 04:44:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956745393] [2024-11-17 04:44:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:41,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930063843] [2024-11-17 04:44:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:41,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:41,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:41,898 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:41,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:44:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:41,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:44:41,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:42,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956745393] [2024-11-17 04:44:43,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:43,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930063843] [2024-11-17 04:44:43,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930063843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:43,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:43,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-17 04:44:43,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608230880] [2024-11-17 04:44:43,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:43,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:44:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:43,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:44:43,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:44:43,384 INFO L87 Difference]: Start difference. First operand 1099 states and 1425 transitions. Second operand has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:46,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:46,391 INFO L93 Difference]: Finished difference Result 1495 states and 1942 transitions. [2024-11-17 04:44:46,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:44:46,391 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-17 04:44:46,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:46,394 INFO L225 Difference]: With dead ends: 1495 [2024-11-17 04:44:46,394 INFO L226 Difference]: Without dead ends: 1029 [2024-11-17 04:44:46,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:44:46,395 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 426 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:46,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 154 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-17 04:44:46,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-11-17 04:44:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1012. [2024-11-17 04:44:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 950 states have (on average 1.3494736842105264) internal successors, (1282), 989 states have internal predecessors, (1282), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:44:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1322 transitions. [2024-11-17 04:44:46,436 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1322 transitions. Word has length 44 [2024-11-17 04:44:46,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:46,436 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1322 transitions. [2024-11-17 04:44:46,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1322 transitions. [2024-11-17 04:44:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:44:46,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:46,437 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:46,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:46,637 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 [2024-11-17 04:44:46,637 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash 648726283, now seen corresponding path program 1 times [2024-11-17 04:44:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872582629] [2024-11-17 04:44:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:46,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763957959] [2024-11-17 04:44:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:46,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:46,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:46,649 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:46,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:44:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:46,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:44:46,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:46,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:47,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:47,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872582629] [2024-11-17 04:44:47,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:47,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763957959] [2024-11-17 04:44:47,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763957959] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:47,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:47,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-17 04:44:47,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947000787] [2024-11-17 04:44:47,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:47,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:44:47,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:47,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:44:47,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:44:47,197 INFO L87 Difference]: Start difference. First operand 1012 states and 1322 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:48,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:48,058 INFO L93 Difference]: Finished difference Result 1039 states and 1352 transitions. [2024-11-17 04:44:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:44:48,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2024-11-17 04:44:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:48,061 INFO L225 Difference]: With dead ends: 1039 [2024-11-17 04:44:48,061 INFO L226 Difference]: Without dead ends: 1038 [2024-11-17 04:44:48,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:44:48,061 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 140 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:48,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 119 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:44:48,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-17 04:44:48,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1037. [2024-11-17 04:44:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 975 states have (on average 1.3394871794871794) internal successors, (1306), 1014 states have internal predecessors, (1306), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:44:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1346 transitions. [2024-11-17 04:44:48,108 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1346 transitions. Word has length 44 [2024-11-17 04:44:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:48,108 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1346 transitions. [2024-11-17 04:44:48,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:44:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1346 transitions. [2024-11-17 04:44:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:44:48,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:48,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:48,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:44:48,312 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 [2024-11-17 04:44:48,312 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:48,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:48,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1033742140, now seen corresponding path program 1 times [2024-11-17 04:44:48,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:48,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754146693] [2024-11-17 04:44:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:48,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752009389] [2024-11-17 04:44:48,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:48,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:48,325 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:48,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:44:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:48,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:44:48,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:48,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:48,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754146693] [2024-11-17 04:44:48,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752009389] [2024-11-17 04:44:48,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752009389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:48,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:48,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-17 04:44:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709964601] [2024-11-17 04:44:48,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:48,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:44:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:48,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:44:48,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:44:48,815 INFO L87 Difference]: Start difference. First operand 1037 states and 1346 transitions. Second operand has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:55,600 INFO L93 Difference]: Finished difference Result 1109 states and 1436 transitions. [2024-11-17 04:44:55,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:44:55,600 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-11-17 04:44:55,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:55,602 INFO L225 Difference]: With dead ends: 1109 [2024-11-17 04:44:55,602 INFO L226 Difference]: Without dead ends: 1103 [2024-11-17 04:44:55,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:44:55,603 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 631 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:55,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 248 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-17 04:44:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-17 04:44:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1075. [2024-11-17 04:44:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 1013 states have (on average 1.334649555774926) internal successors, (1352), 1051 states have internal predecessors, (1352), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:44:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1392 transitions. [2024-11-17 04:44:55,647 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1392 transitions. Word has length 47 [2024-11-17 04:44:55,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:55,647 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1392 transitions. [2024-11-17 04:44:55,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:44:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1392 transitions. [2024-11-17 04:44:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:44:55,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:55,648 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:55,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-17 04:44:55,848 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 [2024-11-17 04:44:55,848 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:44:55,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:55,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1288748798, now seen corresponding path program 1 times [2024-11-17 04:44:55,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:55,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250430565] [2024-11-17 04:44:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22131739] [2024-11-17 04:44:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:55,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:55,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:55,861 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:55,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:44:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:44:55,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:56,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:44:57,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:57,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250430565] [2024-11-17 04:44:57,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:57,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22131739] [2024-11-17 04:44:57,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22131739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:57,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:57,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-17 04:44:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432176716] [2024-11-17 04:44:57,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:57,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:44:57,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:57,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:44:57,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:44:57,358 INFO L87 Difference]: Start difference. First operand 1075 states and 1392 transitions. Second operand has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 14 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:04,444 INFO L93 Difference]: Finished difference Result 1102 states and 1421 transitions. [2024-11-17 04:45:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:45:04,444 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 14 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-17 04:45:04,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:04,447 INFO L225 Difference]: With dead ends: 1102 [2024-11-17 04:45:04,447 INFO L226 Difference]: Without dead ends: 1101 [2024-11-17 04:45:04,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:45:04,447 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 792 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:04,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 198 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-17 04:45:04,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2024-11-17 04:45:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1077. [2024-11-17 04:45:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1015 states have (on average 1.3310344827586207) internal successors, (1351), 1053 states have internal predecessors, (1351), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:45:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1391 transitions. [2024-11-17 04:45:04,501 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1391 transitions. Word has length 49 [2024-11-17 04:45:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:04,501 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1391 transitions. [2024-11-17 04:45:04,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 14 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1391 transitions. [2024-11-17 04:45:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:45:04,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:04,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:04,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:45:04,705 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 [2024-11-17 04:45:04,706 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:45:04,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:04,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1296507004, now seen corresponding path program 1 times [2024-11-17 04:45:04,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:04,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401057098] [2024-11-17 04:45:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:04,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572186911] [2024-11-17 04:45:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:04,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:04,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:04,721 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:45:04,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:45:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:04,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:45:04,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-17 04:45:04,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:45:04,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:04,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401057098] [2024-11-17 04:45:04,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:04,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572186911] [2024-11-17 04:45:04,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572186911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:04,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:04,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:45:04,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50217948] [2024-11-17 04:45:04,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:04,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:45:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:45:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:04,821 INFO L87 Difference]: Start difference. First operand 1077 states and 1391 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:45:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:05,553 INFO L93 Difference]: Finished difference Result 1097 states and 1400 transitions. [2024-11-17 04:45:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:45:05,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-11-17 04:45:05,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:05,560 INFO L225 Difference]: With dead ends: 1097 [2024-11-17 04:45:05,560 INFO L226 Difference]: Without dead ends: 1096 [2024-11-17 04:45:05,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:05,561 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:05,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 148 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:45:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-17 04:45:05,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1077. [2024-11-17 04:45:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1015 states have (on average 1.3251231527093597) internal successors, (1345), 1053 states have internal predecessors, (1345), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:45:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1385 transitions. [2024-11-17 04:45:05,615 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1385 transitions. Word has length 50 [2024-11-17 04:45:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:05,615 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1385 transitions. [2024-11-17 04:45:05,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:45:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1385 transitions. [2024-11-17 04:45:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:45:05,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:05,616 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:05,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:45:05,820 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 [2024-11-17 04:45:05,820 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:45:05,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1537011392, now seen corresponding path program 1 times [2024-11-17 04:45:05,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:05,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073105098] [2024-11-17 04:45:05,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:05,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218412492] [2024-11-17 04:45:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:05,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:05,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:05,833 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:45:05,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:45:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:05,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:45:05,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:45:06,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:45:08,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:08,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073105098] [2024-11-17 04:45:08,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:08,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218412492] [2024-11-17 04:45:08,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218412492] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:08,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:08,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-17 04:45:08,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763829935] [2024-11-17 04:45:08,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:08,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:45:08,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:08,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:45:08,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:45:08,318 INFO L87 Difference]: Start difference. First operand 1077 states and 1385 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:45:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:12,698 INFO L93 Difference]: Finished difference Result 1093 states and 1405 transitions. [2024-11-17 04:45:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:45:12,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2024-11-17 04:45:12,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:12,701 INFO L225 Difference]: With dead ends: 1093 [2024-11-17 04:45:12,702 INFO L226 Difference]: Without dead ends: 1092 [2024-11-17 04:45:12,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:45:12,705 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 69 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:12,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 118 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-17 04:45:12,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-17 04:45:12,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1064. [2024-11-17 04:45:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1002 states have (on average 1.3263473053892216) internal successors, (1329), 1040 states have internal predecessors, (1329), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:45:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1369 transitions. [2024-11-17 04:45:12,755 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1369 transitions. Word has length 51 [2024-11-17 04:45:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:12,756 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1369 transitions. [2024-11-17 04:45:12,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:45:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1369 transitions. [2024-11-17 04:45:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:45:12,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:12,756 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:45:12,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:45:12,956 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,SelfDestructingSolverStorable35 [2024-11-17 04:45:12,957 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:45:12,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:12,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1773713133, now seen corresponding path program 1 times [2024-11-17 04:45:12,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:12,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880901081] [2024-11-17 04:45:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:12,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:45:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:45:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:45:13,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:13,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880901081] [2024-11-17 04:45:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880901081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:13,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:13,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:45:13,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154737538] [2024-11-17 04:45:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:13,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:45:13,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:45:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:13,003 INFO L87 Difference]: Start difference. First operand 1064 states and 1369 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:13,397 INFO L93 Difference]: Finished difference Result 1078 states and 1378 transitions. [2024-11-17 04:45:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:45:13,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-11-17 04:45:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:13,400 INFO L225 Difference]: With dead ends: 1078 [2024-11-17 04:45:13,400 INFO L226 Difference]: Without dead ends: 1075 [2024-11-17 04:45:13,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:13,400 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 115 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:13,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 183 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-17 04:45:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1061. [2024-11-17 04:45:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1002 states have (on average 1.3053892215568863) internal successors, (1308), 1037 states have internal predecessors, (1308), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:45:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1348 transitions. [2024-11-17 04:45:13,443 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1348 transitions. Word has length 57 [2024-11-17 04:45:13,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:13,444 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1348 transitions. [2024-11-17 04:45:13,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1348 transitions. [2024-11-17 04:45:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:45:13,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:13,444 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:13,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-17 04:45:13,444 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:45:13,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:13,445 INFO L85 PathProgramCache]: Analyzing trace with hash 494864232, now seen corresponding path program 1 times [2024-11-17 04:45:13,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:13,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352978426] [2024-11-17 04:45:13,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:13,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038645579] [2024-11-17 04:45:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:13,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:13,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:13,461 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:45:13,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:45:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:13,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 04:45:13,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:45:15,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:45:16,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:16,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352978426] [2024-11-17 04:45:16,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:16,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038645579] [2024-11-17 04:45:16,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038645579] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:16,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2024-11-17 04:45:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351134783] [2024-11-17 04:45:16,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:16,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:45:16,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:16,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:45:16,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:45:16,914 INFO L87 Difference]: Start difference. First operand 1061 states and 1348 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:19,507 INFO L93 Difference]: Finished difference Result 1196 states and 1514 transitions. [2024-11-17 04:45:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:45:19,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-11-17 04:45:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:19,510 INFO L225 Difference]: With dead ends: 1196 [2024-11-17 04:45:19,510 INFO L226 Difference]: Without dead ends: 1195 [2024-11-17 04:45:19,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:45:19,511 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 94 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:19,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 295 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-17 04:45:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2024-11-17 04:45:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1060. [2024-11-17 04:45:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1002 states have (on average 1.2984031936127745) internal successors, (1301), 1036 states have internal predecessors, (1301), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:45:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1341 transitions. [2024-11-17 04:45:19,556 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1341 transitions. Word has length 59 [2024-11-17 04:45:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:19,556 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1341 transitions. [2024-11-17 04:45:19,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:45:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1341 transitions. [2024-11-17 04:45:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:45:19,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:19,557 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:19,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:45:19,757 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 [2024-11-17 04:45:19,758 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:45:19,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:19,758 INFO L85 PathProgramCache]: Analyzing trace with hash 563696369, now seen corresponding path program 1 times [2024-11-17 04:45:19,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:19,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940604703] [2024-11-17 04:45:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:19,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:19,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583838296] [2024-11-17 04:45:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:19,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:19,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:19,771 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:45:19,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:45:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:19,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 04:45:19,817 INFO L278 TraceCheckSpWp]: Computing forward predicates...