./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5-ll.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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:25:21,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:25:21,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:25:21,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:25:21,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:25:21,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:25:21,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:25:21,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:25:21,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:25:21,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:25:21,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:25:21,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:25:21,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:25:21,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:25:21,603 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:25:21,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:25:21,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:25:21,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:25:21,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:25:21,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:25:21,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:25:21,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:25:21,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:25:21,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:25:21,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:25:21,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:25:21,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:25:21,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:25:21,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:25:21,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:25:21,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:25:21,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:25:21,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:25:21,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:25:21,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:25:21,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:25:21,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:25:21,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:25:21,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:25:21,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:25:21,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:25:21,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:25:21,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:25:21,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:25:21,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-11-20 18:25:21,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:25:21,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:25:21,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:25:21,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:25:21,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:25:21,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-20 18:25:23,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:25:23,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:25:23,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-20 18:25:23,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/588632727/fc5dbcb11b2146bb971aa6057119b5e7/FLAGf04baeb61 [2024-11-20 18:25:23,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/588632727/fc5dbcb11b2146bb971aa6057119b5e7 [2024-11-20 18:25:23,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:25:23,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:25:23,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:25:23,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:25:23,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:25:23,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62956104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23, skipping insertion in model container [2024-11-20 18:25:23,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:25:23,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:25:23,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:25:23,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:25:23,858 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:25:23,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23 WrapperNode [2024-11-20 18:25:23,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:25:23,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:25:23,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:25:23,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:25:23,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,905 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2024-11-20 18:25:23,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:25:23,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:25:23,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:25:23,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:25:23,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,943 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]. [2024-11-20 18:25:23,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:25:23,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:25:23,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:25:23,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:25:23,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (1/1) ... [2024-11-20 18:25:23,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:25:23,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:24,004 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) [2024-11-20 18:25:24,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:25:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:25:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:25:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:25:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:25:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:25:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:25:24,107 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:25:24,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:25:24,596 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-20 18:25:24,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:25:24,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:25:24,624 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:25:24,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:24 BoogieIcfgContainer [2024-11-20 18:25:24,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:25:24,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:25:24,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:25:24,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:25:24,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:25:23" (1/3) ... [2024-11-20 18:25:24,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3a7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:24, skipping insertion in model container [2024-11-20 18:25:24,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:23" (2/3) ... [2024-11-20 18:25:24,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3a7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:24, skipping insertion in model container [2024-11-20 18:25:24,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:24" (3/3) ... [2024-11-20 18:25:24,636 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll.c [2024-11-20 18:25:24,653 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:25:24,653 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-11-20 18:25:24,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:25:24,730 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;@3d6cb9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:25:24,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-20 18:25:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 182 states have internal predecessors, (187), 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) [2024-11-20 18:25:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:25:24,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:24,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:25:24,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:24,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:24,746 INFO L85 PathProgramCache]: Analyzing trace with hash 889508943, now seen corresponding path program 1 times [2024-11-20 18:25:24,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:24,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075373245] [2024-11-20 18:25:24,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:24,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:24,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075373245] [2024-11-20 18:25:24,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075373245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:24,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:24,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:24,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418877482] [2024-11-20 18:25:24,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:24,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:25:24,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:25:24,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:25:24,941 INFO L87 Difference]: Start difference. First operand has 187 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 182 states have internal predecessors, (187), 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) [2024-11-20 18:25:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:24,987 INFO L93 Difference]: Finished difference Result 357 states and 384 transitions. [2024-11-20 18:25:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:25:24,990 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 [2024-11-20 18:25:24,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:24,998 INFO L225 Difference]: With dead ends: 357 [2024-11-20 18:25:24,999 INFO L226 Difference]: Without dead ends: 167 [2024-11-20 18:25:25,003 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 [2024-11-20 18:25:25,009 INFO L432 NwaCegarLoop]: 175 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, 175 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 [2024-11-20 18:25:25,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:25:25,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-20 18:25:25,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-20 18:25:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 93 states have (on average 1.7634408602150538) internal successors, (164), 163 states have internal predecessors, (164), 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) [2024-11-20 18:25:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 168 transitions. [2024-11-20 18:25:25,068 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 168 transitions. Word has length 6 [2024-11-20 18:25:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:25,069 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 168 transitions. [2024-11-20 18:25:25,069 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) [2024-11-20 18:25:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2024-11-20 18:25:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:25:25,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:25,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:25:25,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:25:25,070 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:25,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:25,071 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-20 18:25:25,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:25,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284128031] [2024-11-20 18:25:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284128031] [2024-11-20 18:25:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284128031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:25,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:25,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:25,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353393612] [2024-11-20 18:25:25,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:25,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:25:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:25,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:25:25,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:25,166 INFO L87 Difference]: Start difference. First operand 167 states and 168 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:25:25,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:25,595 INFO L93 Difference]: Finished difference Result 304 states and 315 transitions. [2024-11-20 18:25:25,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:25,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2024-11-20 18:25:25,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:25,602 INFO L225 Difference]: With dead ends: 304 [2024-11-20 18:25:25,602 INFO L226 Difference]: Without dead ends: 248 [2024-11-20 18:25:25,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:25,604 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 82 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:25,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 115 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:25:25,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-20 18:25:25,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 242. [2024-11-20 18:25:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 167 states have (on average 1.5089820359281436) internal successors, (252), 237 states have internal predecessors, (252), 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) [2024-11-20 18:25:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 258 transitions. [2024-11-20 18:25:25,633 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 258 transitions. Word has length 6 [2024-11-20 18:25:25,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:25,633 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 258 transitions. [2024-11-20 18:25:25,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:25:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 258 transitions. [2024-11-20 18:25:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:25:25,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:25,636 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] [2024-11-20 18:25:25,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:25:25,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:25,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -87008510, now seen corresponding path program 1 times [2024-11-20 18:25:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:25,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015437026] [2024-11-20 18:25:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:25,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:25,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:25,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015437026] [2024-11-20 18:25:25,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015437026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:25,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:25,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:25,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615392314] [2024-11-20 18:25:25,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:25,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:25:25,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:25:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:25,795 INFO L87 Difference]: Start difference. First operand 242 states and 258 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-20 18:25:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:25,876 INFO L93 Difference]: Finished difference Result 261 states and 272 transitions. [2024-11-20 18:25:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2024-11-20 18:25:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:25,878 INFO L225 Difference]: With dead ends: 261 [2024-11-20 18:25:25,878 INFO L226 Difference]: Without dead ends: 256 [2024-11-20 18:25:25,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:25,883 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:25,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 284 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:25:25,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-20 18:25:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 249. [2024-11-20 18:25:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 174 states have (on average 1.4885057471264367) internal successors, (259), 244 states have internal predecessors, (259), 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) [2024-11-20 18:25:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 265 transitions. [2024-11-20 18:25:25,906 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 265 transitions. Word has length 34 [2024-11-20 18:25:25,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:25,907 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 265 transitions. [2024-11-20 18:25:25,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-20 18:25:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 265 transitions. [2024-11-20 18:25:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 18:25:25,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:25,908 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] [2024-11-20 18:25:25,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:25:25,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:25,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2010796028, now seen corresponding path program 1 times [2024-11-20 18:25:25,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:25,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914868063] [2024-11-20 18:25:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914868063] [2024-11-20 18:25:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914868063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:26,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:26,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:26,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437291636] [2024-11-20 18:25:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:26,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:26,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:26,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:26,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:26,027 INFO L87 Difference]: Start difference. First operand 249 states and 265 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-20 18:25:26,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:26,416 INFO L93 Difference]: Finished difference Result 260 states and 267 transitions. [2024-11-20 18:25:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:26,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2024-11-20 18:25:26,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:26,417 INFO L225 Difference]: With dead ends: 260 [2024-11-20 18:25:26,418 INFO L226 Difference]: Without dead ends: 255 [2024-11-20 18:25:26,418 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 [2024-11-20 18:25:26,419 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 81 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:26,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 237 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:25:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-20 18:25:26,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-20 18:25:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 174 states have (on average 1.4597701149425288) internal successors, (254), 244 states have internal predecessors, (254), 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) [2024-11-20 18:25:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 260 transitions. [2024-11-20 18:25:26,437 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 260 transitions. Word has length 36 [2024-11-20 18:25:26,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:26,437 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 260 transitions. [2024-11-20 18:25:26,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-20 18:25:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 260 transitions. [2024-11-20 18:25:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:25:26,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:26,442 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] [2024-11-20 18:25:26,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:25:26,442 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:26,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:26,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2089832684, now seen corresponding path program 1 times [2024-11-20 18:25:26,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:26,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584328372] [2024-11-20 18:25:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584328372] [2024-11-20 18:25:26,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584328372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:26,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:26,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:26,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293071466] [2024-11-20 18:25:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:26,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:26,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:26,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:26,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:26,572 INFO L87 Difference]: Start difference. First operand 249 states and 260 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:25:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:26,746 INFO L93 Difference]: Finished difference Result 259 states and 262 transitions. [2024-11-20 18:25:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:26,748 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-20 18:25:26,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:26,749 INFO L225 Difference]: With dead ends: 259 [2024-11-20 18:25:26,749 INFO L226 Difference]: Without dead ends: 221 [2024-11-20 18:25:26,750 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 [2024-11-20 18:25:26,750 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 125 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:26,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 234 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:25:26,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-20 18:25:26,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2024-11-20 18:25:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 140 states have (on average 1.542857142857143) internal successors, (216), 210 states have internal predecessors, (216), 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) [2024-11-20 18:25:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 222 transitions. [2024-11-20 18:25:26,770 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 222 transitions. Word has length 37 [2024-11-20 18:25:26,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:26,771 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 222 transitions. [2024-11-20 18:25:26,771 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), 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) [2024-11-20 18:25:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 222 transitions. [2024-11-20 18:25:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:25:26,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:26,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:26,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:25:26,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:26,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash -368393293, now seen corresponding path program 1 times [2024-11-20 18:25:26,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:26,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658860850] [2024-11-20 18:25:26,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:26,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:26,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658860850] [2024-11-20 18:25:26,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658860850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:26,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:26,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:26,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242300780] [2024-11-20 18:25:26,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:26,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:25:26,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:26,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:25:26,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:26,876 INFO L87 Difference]: Start difference. First operand 215 states and 222 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-20 18:25:26,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:26,899 INFO L93 Difference]: Finished difference Result 217 states and 222 transitions. [2024-11-20 18:25:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:26,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 46 [2024-11-20 18:25:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:26,900 INFO L225 Difference]: With dead ends: 217 [2024-11-20 18:25:26,900 INFO L226 Difference]: Without dead ends: 215 [2024-11-20 18:25:26,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:26,902 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:26,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 325 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:25:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-20 18:25:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-20 18:25:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 140 states have (on average 1.5285714285714285) internal successors, (214), 210 states have internal predecessors, (214), 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) [2024-11-20 18:25:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 220 transitions. [2024-11-20 18:25:26,912 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 220 transitions. Word has length 46 [2024-11-20 18:25:26,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:26,913 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 220 transitions. [2024-11-20 18:25:26,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-20 18:25:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 220 transitions. [2024-11-20 18:25:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-20 18:25:26,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:26,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:26,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:25:26,915 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:26,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:26,915 INFO L85 PathProgramCache]: Analyzing trace with hash -975811153, now seen corresponding path program 1 times [2024-11-20 18:25:26,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:26,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899803232] [2024-11-20 18:25:26,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:26,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:26,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549190686] [2024-11-20 18:25:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:26,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:26,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:26,943 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) [2024-11-20 18:25:26,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:25:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:26,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:25:26,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:27,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:25:27,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899803232] [2024-11-20 18:25:27,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549190686] [2024-11-20 18:25:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549190686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:27,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:27,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683119878] [2024-11-20 18:25:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:27,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:27,110 INFO L87 Difference]: Start difference. First operand 215 states and 220 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 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) [2024-11-20 18:25:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:27,516 INFO L93 Difference]: Finished difference Result 354 states and 369 transitions. [2024-11-20 18:25:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 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 [2024-11-20 18:25:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:27,518 INFO L225 Difference]: With dead ends: 354 [2024-11-20 18:25:27,519 INFO L226 Difference]: Without dead ends: 300 [2024-11-20 18:25:27,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:27,520 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 90 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:27,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 135 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:25:27,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-20 18:25:27,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 294. [2024-11-20 18:25:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 217 states have (on average 1.4055299539170507) internal successors, (305), 287 states have internal predecessors, (305), 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) [2024-11-20 18:25:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 315 transitions. [2024-11-20 18:25:27,533 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 315 transitions. Word has length 51 [2024-11-20 18:25:27,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:27,535 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 315 transitions. [2024-11-20 18:25:27,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 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) [2024-11-20 18:25:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 315 transitions. [2024-11-20 18:25:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-20 18:25:27,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:27,538 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:27,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:27,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:27,739 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:27,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -428304011, now seen corresponding path program 1 times [2024-11-20 18:25:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:27,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802163213] [2024-11-20 18:25:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:27,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:27,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802163213] [2024-11-20 18:25:27,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802163213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:27,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:27,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304240700] [2024-11-20 18:25:27,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:27,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:27,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:27,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:27,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:27,846 INFO L87 Difference]: Start difference. First operand 294 states and 315 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-20 18:25:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:27,931 INFO L93 Difference]: Finished difference Result 295 states and 315 transitions. [2024-11-20 18:25:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:27,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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 57 [2024-11-20 18:25:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:27,934 INFO L225 Difference]: With dead ends: 295 [2024-11-20 18:25:27,934 INFO L226 Difference]: Without dead ends: 294 [2024-11-20 18:25:27,934 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 [2024-11-20 18:25:27,935 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 39 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:27,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 268 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:25:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-20 18:25:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-20 18:25:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 217 states have (on average 1.400921658986175) internal successors, (304), 287 states have internal predecessors, (304), 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) [2024-11-20 18:25:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 314 transitions. [2024-11-20 18:25:27,948 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 314 transitions. Word has length 57 [2024-11-20 18:25:27,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:27,950 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 314 transitions. [2024-11-20 18:25:27,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-20 18:25:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 314 transitions. [2024-11-20 18:25:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 18:25:27,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:27,951 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:27,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:25:27,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:27,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:27,952 INFO L85 PathProgramCache]: Analyzing trace with hash 708477139, now seen corresponding path program 1 times [2024-11-20 18:25:27,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:27,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530261051] [2024-11-20 18:25:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:27,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258308359] [2024-11-20 18:25:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:27,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:27,981 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) [2024-11-20 18:25:27,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:25:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:28,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:25:28,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-20 18:25:28,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:25:28,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:28,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530261051] [2024-11-20 18:25:28,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:28,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258308359] [2024-11-20 18:25:28,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258308359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:28,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:28,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:28,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3855111] [2024-11-20 18:25:28,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:28,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:25:28,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:28,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:25:28,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:28,164 INFO L87 Difference]: Start difference. First operand 294 states and 314 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-20 18:25:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:28,214 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2024-11-20 18:25:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 87 [2024-11-20 18:25:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:28,216 INFO L225 Difference]: With dead ends: 294 [2024-11-20 18:25:28,216 INFO L226 Difference]: Without dead ends: 291 [2024-11-20 18:25:28,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:28,218 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 95 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:28,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 147 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:25:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-20 18:25:28,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-20 18:25:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 217 states have (on average 1.3778801843317972) internal successors, (299), 284 states have internal predecessors, (299), 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) [2024-11-20 18:25:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 309 transitions. [2024-11-20 18:25:28,230 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 309 transitions. Word has length 87 [2024-11-20 18:25:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 309 transitions. [2024-11-20 18:25:28,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-20 18:25:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 309 transitions. [2024-11-20 18:25:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 18:25:28,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:28,233 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:28,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:28,439 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,SelfDestructingSolverStorable8 [2024-11-20 18:25:28,440 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:28,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:28,440 INFO L85 PathProgramCache]: Analyzing trace with hash 487954937, now seen corresponding path program 1 times [2024-11-20 18:25:28,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:28,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145844493] [2024-11-20 18:25:28,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:28,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:28,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444935427] [2024-11-20 18:25:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:28,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:28,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:28,472 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) [2024-11-20 18:25:28,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:25:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:28,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:25:28,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:28,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:29,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:29,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145844493] [2024-11-20 18:25:29,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:29,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444935427] [2024-11-20 18:25:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444935427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:29,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:29,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:25:29,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860012131] [2024-11-20 18:25:29,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:29,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:25:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:29,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:25:29,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:29,043 INFO L87 Difference]: Start difference. First operand 291 states and 309 transitions. Second operand has 8 states, 7 states have (on average 23.714285714285715) internal successors, (166), 8 states have internal predecessors, (166), 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) [2024-11-20 18:25:29,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:29,801 INFO L93 Difference]: Finished difference Result 363 states and 377 transitions. [2024-11-20 18:25:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:25:29,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.714285714285715) internal successors, (166), 8 states have internal predecessors, (166), 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 88 [2024-11-20 18:25:29,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:29,803 INFO L225 Difference]: With dead ends: 363 [2024-11-20 18:25:29,803 INFO L226 Difference]: Without dead ends: 356 [2024-11-20 18:25:29,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:25:29,804 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 284 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:29,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 297 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:25:29,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-20 18:25:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 329. [2024-11-20 18:25:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 256 states have (on average 1.3984375) internal successors, (358), 322 states have internal predecessors, (358), 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) [2024-11-20 18:25:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 368 transitions. [2024-11-20 18:25:29,813 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 368 transitions. Word has length 88 [2024-11-20 18:25:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:29,813 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 368 transitions. [2024-11-20 18:25:29,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.714285714285715) internal successors, (166), 8 states have internal predecessors, (166), 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) [2024-11-20 18:25:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 368 transitions. [2024-11-20 18:25:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 18:25:29,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:29,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:29,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:25:30,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:30,019 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:30,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:30,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2053266027, now seen corresponding path program 1 times [2024-11-20 18:25:30,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:30,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78887842] [2024-11-20 18:25:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:30,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359220596] [2024-11-20 18:25:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:30,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:30,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:30,066 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) [2024-11-20 18:25:30,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:25:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:30,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:25:30,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:30,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:33,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:33,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78887842] [2024-11-20 18:25:33,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:33,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359220596] [2024-11-20 18:25:33,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359220596] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:33,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:33,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-20 18:25:33,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473222899] [2024-11-20 18:25:33,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:33,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:25:33,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:25:33,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:33,445 INFO L87 Difference]: Start difference. First operand 329 states and 368 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-20 18:25:37,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:25:40,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:25:40,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:40,275 INFO L93 Difference]: Finished difference Result 329 states and 368 transitions. [2024-11-20 18:25:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:40,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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 89 [2024-11-20 18:25:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:40,277 INFO L225 Difference]: With dead ends: 329 [2024-11-20 18:25:40,277 INFO L226 Difference]: Without dead ends: 327 [2024-11-20 18:25:40,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:40,278 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 95 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:40,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 39 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-20 18:25:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-20 18:25:40,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-20 18:25:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 256 states have (on average 1.3828125) internal successors, (354), 320 states have internal predecessors, (354), 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) [2024-11-20 18:25:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 364 transitions. [2024-11-20 18:25:40,292 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 364 transitions. Word has length 89 [2024-11-20 18:25:40,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:40,292 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 364 transitions. [2024-11-20 18:25:40,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-20 18:25:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 364 transitions. [2024-11-20 18:25:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 18:25:40,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:40,294 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:40,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:25:40,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:40,495 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:40,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash 773262715, now seen corresponding path program 1 times [2024-11-20 18:25:40,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:40,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020948642] [2024-11-20 18:25:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:40,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:40,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35370736] [2024-11-20 18:25:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:40,524 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) [2024-11-20 18:25:40,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:25:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:40,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:25:40,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:40,719 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:25:40,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:40,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020948642] [2024-11-20 18:25:40,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:40,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35370736] [2024-11-20 18:25:40,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35370736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:40,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:40,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:25:40,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685782108] [2024-11-20 18:25:40,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:40,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:25:40,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:40,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:25:40,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:25:40,721 INFO L87 Difference]: Start difference. First operand 327 states and 364 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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) [2024-11-20 18:25:41,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:41,041 INFO L93 Difference]: Finished difference Result 327 states and 364 transitions. [2024-11-20 18:25:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:25:41,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 90 [2024-11-20 18:25:41,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:41,043 INFO L225 Difference]: With dead ends: 327 [2024-11-20 18:25:41,043 INFO L226 Difference]: Without dead ends: 307 [2024-11-20 18:25:41,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:25:41,044 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 201 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:41,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 36 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:25:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-20 18:25:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-20 18:25:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 256 states have (on average 1.265625) internal successors, (324), 300 states have internal predecessors, (324), 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) [2024-11-20 18:25:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 334 transitions. [2024-11-20 18:25:41,056 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 334 transitions. Word has length 90 [2024-11-20 18:25:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:41,057 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 334 transitions. [2024-11-20 18:25:41,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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) [2024-11-20 18:25:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 334 transitions. [2024-11-20 18:25:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-20 18:25:41,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:41,058 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:41,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:41,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 18:25:41,258 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:41,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:41,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1798659497, now seen corresponding path program 1 times [2024-11-20 18:25:41,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:41,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770965427] [2024-11-20 18:25:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:41,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072075034] [2024-11-20 18:25:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:41,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:41,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:41,288 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) [2024-11-20 18:25:41,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:25:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:41,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:25:41,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:41,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-20 18:25:41,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:41,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770965427] [2024-11-20 18:25:41,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:41,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072075034] [2024-11-20 18:25:41,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072075034] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:41,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:41,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-20 18:25:41,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824297357] [2024-11-20 18:25:41,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:41,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:41,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:41,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:41,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:25:41,839 INFO L87 Difference]: Start difference. First operand 307 states and 334 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 18:25:49,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:25:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:50,336 INFO L93 Difference]: Finished difference Result 307 states and 334 transitions. [2024-11-20 18:25:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:50,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 91 [2024-11-20 18:25:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:50,339 INFO L225 Difference]: With dead ends: 307 [2024-11-20 18:25:50,339 INFO L226 Difference]: Without dead ends: 305 [2024-11-20 18:25:50,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:25:50,340 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 79 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:50,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 39 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-20 18:25:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-20 18:25:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-20 18:25:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 256 states have (on average 1.25) internal successors, (320), 298 states have internal predecessors, (320), 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) [2024-11-20 18:25:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 330 transitions. [2024-11-20 18:25:50,350 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 330 transitions. Word has length 91 [2024-11-20 18:25:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:50,350 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 330 transitions. [2024-11-20 18:25:50,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 18:25:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 330 transitions. [2024-11-20 18:25:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 18:25:50,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:50,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:50,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:50,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:50,556 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:50,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:50,556 INFO L85 PathProgramCache]: Analyzing trace with hash -211961852, now seen corresponding path program 1 times [2024-11-20 18:25:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:50,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260156218] [2024-11-20 18:25:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:50,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:50,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 18:25:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:50,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:50,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260156218] [2024-11-20 18:25:50,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260156218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:50,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860464780] [2024-11-20 18:25:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:50,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:50,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:50,680 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) [2024-11-20 18:25:50,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:25:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:50,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:25:50,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:50,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:25:50,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860464780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:50,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:50,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 18:25:50,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039811080] [2024-11-20 18:25:50,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:50,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:50,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:50,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:50,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:25:50,835 INFO L87 Difference]: Start difference. First operand 305 states and 330 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 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) [2024-11-20 18:25:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:50,856 INFO L93 Difference]: Finished difference Result 305 states and 330 transitions. [2024-11-20 18:25:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:50,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 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 99 [2024-11-20 18:25:50,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:50,858 INFO L225 Difference]: With dead ends: 305 [2024-11-20 18:25:50,858 INFO L226 Difference]: Without dead ends: 304 [2024-11-20 18:25:50,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:25:50,859 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 49 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:50,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:25:50,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-20 18:25:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-20 18:25:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 256 states have (on average 1.2421875) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:25:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-11-20 18:25:50,870 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 99 [2024-11-20 18:25:50,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:50,870 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-11-20 18:25:50,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 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) [2024-11-20 18:25:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-11-20 18:25:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 18:25:50,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:50,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:50,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:51,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:51,072 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:51,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:51,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2019117306, now seen corresponding path program 1 times [2024-11-20 18:25:51,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:51,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822964503] [2024-11-20 18:25:51,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:51,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 18:25:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:51,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:51,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822964503] [2024-11-20 18:25:51,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822964503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:51,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430556709] [2024-11-20 18:25:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:51,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:51,190 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) [2024-11-20 18:25:51,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:25:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:25:51,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:51,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:51,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430556709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:51,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:25:51,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 18:25:51,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598940477] [2024-11-20 18:25:51,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:51,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:25:51,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:51,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:25:51,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:25:51,487 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 7 states, 6 states have (on average 36.5) internal successors, (219), 7 states have internal predecessors, (219), 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) [2024-11-20 18:25:51,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:51,536 INFO L93 Difference]: Finished difference Result 403 states and 415 transitions. [2024-11-20 18:25:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:25:51,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.5) internal successors, (219), 7 states have internal predecessors, (219), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 100 [2024-11-20 18:25:51,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:51,538 INFO L225 Difference]: With dead ends: 403 [2024-11-20 18:25:51,539 INFO L226 Difference]: Without dead ends: 402 [2024-11-20 18:25:51,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:25:51,541 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:51,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 643 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:25:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-20 18:25:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 361. [2024-11-20 18:25:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 311 states have (on average 1.279742765273312) internal successors, (398), 352 states have internal predecessors, (398), 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) [2024-11-20 18:25:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 412 transitions. [2024-11-20 18:25:51,557 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 412 transitions. Word has length 100 [2024-11-20 18:25:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:51,557 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 412 transitions. [2024-11-20 18:25:51,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.5) internal successors, (219), 7 states have internal predecessors, (219), 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) [2024-11-20 18:25:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 412 transitions. [2024-11-20 18:25:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-20 18:25:51,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:51,559 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:51,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:51,759 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,SelfDestructingSolverStorable14 [2024-11-20 18:25:51,759 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:51,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:51,760 INFO L85 PathProgramCache]: Analyzing trace with hash 838757766, now seen corresponding path program 1 times [2024-11-20 18:25:51,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:51,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567334504] [2024-11-20 18:25:51,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:51,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 18:25:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:25:51,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:51,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567334504] [2024-11-20 18:25:51,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567334504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:51,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:51,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:51,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537245685] [2024-11-20 18:25:51,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:51,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:51,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:51,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:51,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:51,854 INFO L87 Difference]: Start difference. First operand 361 states and 412 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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) [2024-11-20 18:25:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:52,039 INFO L93 Difference]: Finished difference Result 361 states and 412 transitions. [2024-11-20 18:25:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:52,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 112 [2024-11-20 18:25:52,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:52,041 INFO L225 Difference]: With dead ends: 361 [2024-11-20 18:25:52,041 INFO L226 Difference]: Without dead ends: 354 [2024-11-20 18:25:52,041 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 [2024-11-20 18:25:52,041 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 78 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:52,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 36 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:25:52,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-20 18:25:52,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-20 18:25:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 311 states have (on average 1.234726688102894) internal successors, (384), 345 states have internal predecessors, (384), 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) [2024-11-20 18:25:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 398 transitions. [2024-11-20 18:25:52,054 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 398 transitions. Word has length 112 [2024-11-20 18:25:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:52,055 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 398 transitions. [2024-11-20 18:25:52,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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) [2024-11-20 18:25:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 398 transitions. [2024-11-20 18:25:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:25:52,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:52,056 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:52,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 18:25:52,056 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:52,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:52,056 INFO L85 PathProgramCache]: Analyzing trace with hash 231687022, now seen corresponding path program 1 times [2024-11-20 18:25:52,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:52,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272751521] [2024-11-20 18:25:52,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:52,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:25:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 18:25:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-20 18:25:52,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:52,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272751521] [2024-11-20 18:25:52,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272751521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:52,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:52,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:25:52,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34536301] [2024-11-20 18:25:52,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:52,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:25:52,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:52,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:25:52,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:25:52,137 INFO L87 Difference]: Start difference. First operand 354 states and 398 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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) [2024-11-20 18:25:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:52,298 INFO L93 Difference]: Finished difference Result 354 states and 398 transitions. [2024-11-20 18:25:52,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:25:52,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 113 [2024-11-20 18:25:52,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:52,300 INFO L225 Difference]: With dead ends: 354 [2024-11-20 18:25:52,301 INFO L226 Difference]: Without dead ends: 353 [2024-11-20 18:25:52,301 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 [2024-11-20 18:25:52,302 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 108 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:52,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 29 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:25:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-20 18:25:52,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-20 18:25:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 311 states have (on average 1.22508038585209) internal successors, (381), 344 states have internal predecessors, (381), 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) [2024-11-20 18:25:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 395 transitions. [2024-11-20 18:25:52,318 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 395 transitions. Word has length 113 [2024-11-20 18:25:52,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:52,318 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 395 transitions. [2024-11-20 18:25:52,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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) [2024-11-20 18:25:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 395 transitions. [2024-11-20 18:25:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-20 18:25:52,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:52,319 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:52,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 18:25:52,319 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:52,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -687069520, now seen corresponding path program 1 times [2024-11-20 18:25:52,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:52,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021722894] [2024-11-20 18:25:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:52,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907784588] [2024-11-20 18:25:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:52,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:52,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:52,344 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) [2024-11-20 18:25:52,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:25:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:52,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:25:52,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:52,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:52,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021722894] [2024-11-20 18:25:52,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907784588] [2024-11-20 18:25:52,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907784588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:52,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:52,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:25:52,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296986235] [2024-11-20 18:25:52,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:52,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:25:52,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:52,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:25:52,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:52,698 INFO L87 Difference]: Start difference. First operand 353 states and 395 transitions. Second operand has 8 states, 7 states have (on average 30.0) internal successors, (210), 8 states have internal predecessors, (210), 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) [2024-11-20 18:25:53,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:53,184 INFO L93 Difference]: Finished difference Result 414 states and 448 transitions. [2024-11-20 18:25:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:25:53,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.0) internal successors, (210), 8 states have internal predecessors, (210), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 115 [2024-11-20 18:25:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:53,187 INFO L225 Difference]: With dead ends: 414 [2024-11-20 18:25:53,187 INFO L226 Difference]: Without dead ends: 384 [2024-11-20 18:25:53,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:25:53,187 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 344 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:53,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 147 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:25:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-20 18:25:53,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 337. [2024-11-20 18:25:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 300 states have (on average 1.1666666666666667) internal successors, (350), 329 states have internal predecessors, (350), 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) [2024-11-20 18:25:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 362 transitions. [2024-11-20 18:25:53,201 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 362 transitions. Word has length 115 [2024-11-20 18:25:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:53,201 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 362 transitions. [2024-11-20 18:25:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.0) internal successors, (210), 8 states have internal predecessors, (210), 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) [2024-11-20 18:25:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 362 transitions. [2024-11-20 18:25:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 18:25:53,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:53,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:53,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 18:25:53,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:25:53,404 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:53,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1938830097, now seen corresponding path program 1 times [2024-11-20 18:25:53,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:53,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415989853] [2024-11-20 18:25:53,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:53,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:53,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717067552] [2024-11-20 18:25:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:53,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:53,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:53,430 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) [2024-11-20 18:25:53,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:25:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:53,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:25:53,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:25:53,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415989853] [2024-11-20 18:25:54,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717067552] [2024-11-20 18:25:54,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717067552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:54,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:54,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:25:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584477194] [2024-11-20 18:25:54,034 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:54,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:25:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:25:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:54,035 INFO L87 Difference]: Start difference. First operand 337 states and 362 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:25:54,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:54,241 INFO L93 Difference]: Finished difference Result 337 states and 362 transitions. [2024-11-20 18:25:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:25:54,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 138 [2024-11-20 18:25:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:54,243 INFO L225 Difference]: With dead ends: 337 [2024-11-20 18:25:54,243 INFO L226 Difference]: Without dead ends: 323 [2024-11-20 18:25:54,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:25:54,244 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:54,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 43 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:25:54,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-20 18:25:54,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2024-11-20 18:25:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 297 states have (on average 1.0976430976430978) internal successors, (326), 312 states have internal predecessors, (326), 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) [2024-11-20 18:25:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 338 transitions. [2024-11-20 18:25:54,257 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 338 transitions. Word has length 138 [2024-11-20 18:25:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:54,258 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 338 transitions. [2024-11-20 18:25:54,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:25:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 338 transitions. [2024-11-20 18:25:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-20 18:25:54,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:54,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:54,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:25:54,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:54,460 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:54,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:54,460 INFO L85 PathProgramCache]: Analyzing trace with hash -25808915, now seen corresponding path program 1 times [2024-11-20 18:25:54,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:54,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494875920] [2024-11-20 18:25:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:54,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034482411] [2024-11-20 18:25:54,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:54,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:54,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:54,484 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) [2024-11-20 18:25:54,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:25:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:54,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:25:54,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:25:54,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:55,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:55,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494875920] [2024-11-20 18:25:55,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:55,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034482411] [2024-11-20 18:25:55,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034482411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:55,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:55,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:25:55,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857596358] [2024-11-20 18:25:55,124 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:55,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:25:55,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:55,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:25:55,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:55,125 INFO L87 Difference]: Start difference. First operand 320 states and 338 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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) [2024-11-20 18:25:55,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:55,366 INFO L93 Difference]: Finished difference Result 358 states and 376 transitions. [2024-11-20 18:25:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:25:55,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 139 [2024-11-20 18:25:55,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:55,368 INFO L225 Difference]: With dead ends: 358 [2024-11-20 18:25:55,368 INFO L226 Difference]: Without dead ends: 320 [2024-11-20 18:25:55,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:55,369 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:55,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:25:55,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-20 18:25:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2024-11-20 18:25:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 297 states have (on average 1.0942760942760943) internal successors, (325), 312 states have internal predecessors, (325), 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) [2024-11-20 18:25:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 337 transitions. [2024-11-20 18:25:55,383 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 337 transitions. Word has length 139 [2024-11-20 18:25:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:55,383 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 337 transitions. [2024-11-20 18:25:55,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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) [2024-11-20 18:25:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 337 transitions. [2024-11-20 18:25:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 18:25:55,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:55,384 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:55,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:25:55,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:55,585 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:55,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:55,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1802512977, now seen corresponding path program 1 times [2024-11-20 18:25:55,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:55,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609733321] [2024-11-20 18:25:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:55,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032685626] [2024-11-20 18:25:55,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:55,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:55,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:55,628 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) [2024-11-20 18:25:55,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:25:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:55,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:25:55,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:25:55,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:55,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609733321] [2024-11-20 18:25:55,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032685626] [2024-11-20 18:25:55,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032685626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:55,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:55,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:25:55,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215523134] [2024-11-20 18:25:55,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:55,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:25:55,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:55,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:25:55,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:55,888 INFO L87 Difference]: Start difference. First operand 320 states and 337 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 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) [2024-11-20 18:25:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:56,232 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2024-11-20 18:25:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:25:56,233 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 159 [2024-11-20 18:25:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:56,234 INFO L225 Difference]: With dead ends: 376 [2024-11-20 18:25:56,234 INFO L226 Difference]: Without dead ends: 373 [2024-11-20 18:25:56,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:25:56,235 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 117 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:56,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 87 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:25:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-20 18:25:56,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 320. [2024-11-20 18:25:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 297 states have (on average 1.0841750841750841) internal successors, (322), 312 states have internal predecessors, (322), 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) [2024-11-20 18:25:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 334 transitions. [2024-11-20 18:25:56,248 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 334 transitions. Word has length 159 [2024-11-20 18:25:56,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:56,248 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 334 transitions. [2024-11-20 18:25:56,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 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) [2024-11-20 18:25:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 334 transitions. [2024-11-20 18:25:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 18:25:56,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:56,249 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:56,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-20 18:25:56,450 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,SelfDestructingSolverStorable20 [2024-11-20 18:25:56,450 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:56,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1343155091, now seen corresponding path program 1 times [2024-11-20 18:25:56,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:56,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686265753] [2024-11-20 18:25:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:56,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653168056] [2024-11-20 18:25:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:56,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:56,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:56,476 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) [2024-11-20 18:25:56,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:25:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:56,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:25:56,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:25:56,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:25:57,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:57,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686265753] [2024-11-20 18:25:57,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:57,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653168056] [2024-11-20 18:25:57,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653168056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:57,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:57,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:25:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288089001] [2024-11-20 18:25:57,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:57,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:25:57,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:57,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:25:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:25:57,050 INFO L87 Difference]: Start difference. First operand 320 states and 334 transitions. Second operand has 10 states, 9 states have (on average 32.44444444444444) internal successors, (292), 10 states have internal predecessors, (292), 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) [2024-11-20 18:25:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:57,608 INFO L93 Difference]: Finished difference Result 394 states and 414 transitions. [2024-11-20 18:25:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:25:57,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.44444444444444) internal successors, (292), 10 states have internal predecessors, (292), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 161 [2024-11-20 18:25:57,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:57,611 INFO L225 Difference]: With dead ends: 394 [2024-11-20 18:25:57,611 INFO L226 Difference]: Without dead ends: 383 [2024-11-20 18:25:57,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:25:57,612 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 329 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:57,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 227 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:25:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-20 18:25:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 307. [2024-11-20 18:25:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 291 states have (on average 1.0446735395189004) internal successors, (304), 299 states have internal predecessors, (304), 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) [2024-11-20 18:25:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 316 transitions. [2024-11-20 18:25:57,625 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 316 transitions. Word has length 161 [2024-11-20 18:25:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:57,626 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 316 transitions. [2024-11-20 18:25:57,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.44444444444444) internal successors, (292), 10 states have internal predecessors, (292), 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) [2024-11-20 18:25:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 316 transitions. [2024-11-20 18:25:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 18:25:57,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:57,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-20 18:25:57,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:25:57,828 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,SelfDestructingSolverStorable21 [2024-11-20 18:25:57,828 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-20 18:25:57,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2013109035, now seen corresponding path program 1 times [2024-11-20 18:25:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535970334] [2024-11-20 18:25:57,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:57,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1292730186] [2024-11-20 18:25:57,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:57,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:57,861 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) [2024-11-20 18:25:57,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:25:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:57,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:25:57,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 6 proven. 147 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:25:58,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:26:06,232 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-20 18:26:14,308 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 18:26:26,321 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)