./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.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 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:00:34,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:00:34,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:00:34,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:00:34,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:00:34,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:00:34,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:00:34,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:00:34,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:00:34,607 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:00:34,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:00:34,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:00:34,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:00:34,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:00:34,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:00:34,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:00:34,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:00:34,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:00:34,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:00:34,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:00:34,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:00:34,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:00:34,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:00:34,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:00:34,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:00:34,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:00:34,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:00:34,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:00:34,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:00:34,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:00:34,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:00:34,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:00:34,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:00:34,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:00:34,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:34,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:00:34,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:00:34,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:00:34,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:00:34,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:00:34,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:00:34,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:00:34,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:00:34,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:00:34,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 [2024-11-09 12:00:34,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:00:34,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:00:34,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:00:34,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:00:34,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:00:34,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2024-11-09 12:00:36,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:00:36,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:00:36,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2024-11-09 12:00:36,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6c1e1881/33b9ef2af6174d3a88b6243d84a623be/FLAG90c0f1132 [2024-11-09 12:00:36,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6c1e1881/33b9ef2af6174d3a88b6243d84a623be [2024-11-09 12:00:36,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:00:36,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:00:36,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:36,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:00:36,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:00:36,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17794495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36, skipping insertion in model container [2024-11-09 12:00:36,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:00:36,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:36,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:00:36,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:36,739 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:00:36,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36 WrapperNode [2024-11-09 12:00:36,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:36,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:36,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:00:36,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:00:36,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,778 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2024-11-09 12:00:36,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:36,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:00:36,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:00:36,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:00:36,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,801 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:00:36,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:00:36,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:00:36,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:00:36,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:00:36,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (1/1) ... [2024-11-09 12:00:36,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:36,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:36,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:00:36,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:00:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:00:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:00:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:00:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:00:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:00:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:00:36,944 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:00:36,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:00:37,416 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 12:00:37,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:00:37,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:00:37,434 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:00:37,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:37 BoogieIcfgContainer [2024-11-09 12:00:37,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:00:37,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:00:37,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:00:37,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:00:37,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:00:36" (1/3) ... [2024-11-09 12:00:37,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175c17de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:37, skipping insertion in model container [2024-11-09 12:00:37,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:36" (2/3) ... [2024-11-09 12:00:37,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175c17de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:37, skipping insertion in model container [2024-11-09 12:00:37,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:37" (3/3) ... [2024-11-09 12:00:37,442 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound50.c [2024-11-09 12:00:37,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:00:37,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-09 12:00:37,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:00:37,507 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;@57915d9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:00:37,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-09 12:00:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:00:37,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:37,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:00:37,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:37,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-09 12:00:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304962223] [2024-11-09 12:00:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:37,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:37,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:37,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304962223] [2024-11-09 12:00:37,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304962223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:37,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:37,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:37,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829446726] [2024-11-09 12:00:37,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:37,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:00:37,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:00:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:37,661 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:37,682 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2024-11-09 12:00:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:00:37,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:00:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:37,690 INFO L225 Difference]: With dead ends: 218 [2024-11-09 12:00:37,690 INFO L226 Difference]: Without dead ends: 104 [2024-11-09 12:00:37,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:37,696 INFO L432 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:37,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-09 12:00:37,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-09 12:00:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 100 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2024-11-09 12:00:37,733 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 6 [2024-11-09 12:00:37,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:37,734 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2024-11-09 12:00:37,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2024-11-09 12:00:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:00:37,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:37,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:00:37,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:00:37,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:37,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:37,737 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:00:37,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:37,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127771200] [2024-11-09 12:00:37,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:37,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:37,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127771200] [2024-11-09 12:00:37,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127771200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:37,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:37,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594322885] [2024-11-09 12:00:37,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:37,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:37,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:37,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:37,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:37,832 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:37,872 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2024-11-09 12:00:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:37,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:00:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:37,874 INFO L225 Difference]: With dead ends: 104 [2024-11-09 12:00:37,874 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 12:00:37,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:37,877 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:37,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 203 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 12:00:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-09 12:00:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-11-09 12:00:37,891 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 6 [2024-11-09 12:00:37,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:37,891 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-11-09 12:00:37,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-11-09 12:00:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:00:37,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:37,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:37,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:00:37,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:37,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:37,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:00:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:37,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859677524] [2024-11-09 12:00:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:37,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:37,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:37,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859677524] [2024-11-09 12:00:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859677524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:37,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202631256] [2024-11-09 12:00:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:37,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:37,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:37,956 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:37,982 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2024-11-09 12:00:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 12:00:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:37,983 INFO L225 Difference]: With dead ends: 121 [2024-11-09 12:00:37,983 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 12:00:37,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:37,984 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:37,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:37,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 12:00:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-09 12:00:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.7704918032786885) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-11-09 12:00:37,992 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 7 [2024-11-09 12:00:37,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:37,992 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-11-09 12:00:37,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-11-09 12:00:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:00:37,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:37,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:37,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:00:37,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:37,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:37,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:00:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007731580] [2024-11-09 12:00:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:37,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:38,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857189763] [2024-11-09 12:00:38,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:38,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:38,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:38,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:38,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:00:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:38,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:00:38,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:38,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:38,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:38,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007731580] [2024-11-09 12:00:38,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:38,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857189763] [2024-11-09 12:00:38,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857189763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:38,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:38,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:38,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515631927] [2024-11-09 12:00:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:38,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:38,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:38,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:38,223 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:38,626 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-09 12:00:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:38,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 12:00:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:38,628 INFO L225 Difference]: With dead ends: 146 [2024-11-09 12:00:38,629 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 12:00:38,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:38,630 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 162 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:38,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 149 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 12:00:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-11-09 12:00:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:00:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2024-11-09 12:00:38,649 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 9 [2024-11-09 12:00:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:38,650 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2024-11-09 12:00:38,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-11-09 12:00:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:00:38,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:38,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:38,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:00:38,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:38,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:38,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1988380403, now seen corresponding path program 1 times [2024-11-09 12:00:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:38,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263615320] [2024-11-09 12:00:38,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:38,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:38,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779086910] [2024-11-09 12:00:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:38,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:38,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:38,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:38,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:00:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:38,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:00:38,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:38,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:38,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263615320] [2024-11-09 12:00:38,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779086910] [2024-11-09 12:00:38,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779086910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:38,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:38,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:38,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102937134] [2024-11-09 12:00:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:38,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:38,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:38,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:38,994 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:39,309 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2024-11-09 12:00:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:39,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 12:00:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:39,311 INFO L225 Difference]: With dead ends: 180 [2024-11-09 12:00:39,311 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 12:00:39,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:39,312 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 170 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:39,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 146 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:39,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 12:00:39,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2024-11-09 12:00:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6126126126126126) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-11-09 12:00:39,322 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2024-11-09 12:00:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:39,323 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-11-09 12:00:39,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-11-09 12:00:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:00:39,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:39,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:39,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:00:39,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:39,524 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:39,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1510250290, now seen corresponding path program 1 times [2024-11-09 12:00:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:39,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076508972] [2024-11-09 12:00:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:39,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:39,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867280776] [2024-11-09 12:00:39,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:39,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:39,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:39,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:39,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:00:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:39,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:00:39,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:39,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:39,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:39,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076508972] [2024-11-09 12:00:39,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:39,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867280776] [2024-11-09 12:00:39,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867280776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:39,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:39,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:39,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172088184] [2024-11-09 12:00:39,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:39,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:39,736 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:40,084 INFO L93 Difference]: Finished difference Result 164 states and 196 transitions. [2024-11-09 12:00:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:40,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 12:00:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:40,086 INFO L225 Difference]: With dead ends: 164 [2024-11-09 12:00:40,098 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 12:00:40,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:40,100 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 144 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:40,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 161 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:40,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 12:00:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-11-09 12:00:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6036036036036037) internal successors, (178), 149 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2024-11-09 12:00:40,114 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 11 [2024-11-09 12:00:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:40,115 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2024-11-09 12:00:40,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2024-11-09 12:00:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:00:40,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:40,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:40,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:40,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:40,317 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:40,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash 426881327, now seen corresponding path program 1 times [2024-11-09 12:00:40,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:40,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913338172] [2024-11-09 12:00:40,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:40,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:40,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512371043] [2024-11-09 12:00:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:40,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:40,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:00:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:40,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:00:40,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:40,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:40,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:40,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913338172] [2024-11-09 12:00:40,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:40,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512371043] [2024-11-09 12:00:40,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512371043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:40,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:40,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:40,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587694638] [2024-11-09 12:00:40,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:40,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:40,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:40,546 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:40,837 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2024-11-09 12:00:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 12:00:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:40,839 INFO L225 Difference]: With dead ends: 160 [2024-11-09 12:00:40,839 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 12:00:40,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:40,840 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:40,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 12:00:40,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2024-11-09 12:00:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.5675675675675675) internal successors, (174), 149 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2024-11-09 12:00:40,849 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 12 [2024-11-09 12:00:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:40,849 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2024-11-09 12:00:40,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2024-11-09 12:00:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 12:00:40,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:40,850 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:40,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:41,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:41,051 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:41,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:41,052 INFO L85 PathProgramCache]: Analyzing trace with hash 348419312, now seen corresponding path program 1 times [2024-11-09 12:00:41,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397406998] [2024-11-09 12:00:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:41,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397406998] [2024-11-09 12:00:41,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397406998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:41,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:41,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660803126] [2024-11-09 12:00:41,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:41,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:41,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:41,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:41,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:41,161 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:42,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:42,371 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2024-11-09 12:00:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:42,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 12:00:42,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:42,373 INFO L225 Difference]: With dead ends: 258 [2024-11-09 12:00:42,373 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 12:00:42,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:42,374 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:42,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 156 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 12:00:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 12:00:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-09 12:00:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5746268656716418) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:00:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-11-09 12:00:42,386 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2024-11-09 12:00:42,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:42,386 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-11-09 12:00:42,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-11-09 12:00:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 12:00:42,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:42,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:42,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:00:42,387 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:42,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:42,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2083903151, now seen corresponding path program 1 times [2024-11-09 12:00:42,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:42,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745462720] [2024-11-09 12:00:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:42,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:42,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745462720] [2024-11-09 12:00:42,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745462720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:42,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:42,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:42,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439102049] [2024-11-09 12:00:42,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:42,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:42,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:42,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:42,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:42,669 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:45,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:45,294 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2024-11-09 12:00:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:45,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 12:00:45,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:45,296 INFO L225 Difference]: With dead ends: 258 [2024-11-09 12:00:45,296 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 12:00:45,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:45,297 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 74 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:45,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 183 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 12:00:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 12:00:45,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-09 12:00:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5597014925373134) internal successors, (209), 172 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:00:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2024-11-09 12:00:45,311 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 14 [2024-11-09 12:00:45,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:45,312 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2024-11-09 12:00:45,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2024-11-09 12:00:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:00:45,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:45,314 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] [2024-11-09 12:00:45,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:00:45,314 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:45,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:45,314 INFO L85 PathProgramCache]: Analyzing trace with hash -854894940, now seen corresponding path program 1 times [2024-11-09 12:00:45,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:45,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589126231] [2024-11-09 12:00:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:45,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:45,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:45,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589126231] [2024-11-09 12:00:45,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589126231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:45,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:45,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:45,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908559071] [2024-11-09 12:00:45,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:45,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:00:45,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:45,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:00:45,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:00:45,426 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:45,662 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2024-11-09 12:00:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:00:45,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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 28 [2024-11-09 12:00:45,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:45,664 INFO L225 Difference]: With dead ends: 257 [2024-11-09 12:00:45,664 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 12:00:45,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:00:45,665 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 56 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:45,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 161 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:00:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 12:00:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2024-11-09 12:00:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.6318681318681318) internal successors, (297), 220 states have internal predecessors, (297), 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) [2024-11-09 12:00:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2024-11-09 12:00:45,680 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 28 [2024-11-09 12:00:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:45,681 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2024-11-09 12:00:45,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2024-11-09 12:00:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:00:45,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:45,683 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] [2024-11-09 12:00:45,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:00:45,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:45,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash -426381197, now seen corresponding path program 1 times [2024-11-09 12:00:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:45,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912927003] [2024-11-09 12:00:45,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:45,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794797841] [2024-11-09 12:00:45,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:45,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:45,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:45,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:45,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:00:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:45,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:45,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:45,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:45,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912927003] [2024-11-09 12:00:45,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:45,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794797841] [2024-11-09 12:00:45,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794797841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:45,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:45,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:45,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683156389] [2024-11-09 12:00:45,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:45,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:45,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:45,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:45,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:45,870 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:46,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:46,209 INFO L93 Difference]: Finished difference Result 280 states and 382 transitions. [2024-11-09 12:00:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 28 [2024-11-09 12:00:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:46,211 INFO L225 Difference]: With dead ends: 280 [2024-11-09 12:00:46,212 INFO L226 Difference]: Without dead ends: 276 [2024-11-09 12:00:46,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:46,212 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 158 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:46,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 110 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:46,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-09 12:00:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2024-11-09 12:00:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 209 states have (on average 1.631578947368421) internal successors, (341), 247 states have internal predecessors, (341), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 357 transitions. [2024-11-09 12:00:46,227 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 357 transitions. Word has length 28 [2024-11-09 12:00:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:46,228 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 357 transitions. [2024-11-09 12:00:46,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 357 transitions. [2024-11-09 12:00:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:00:46,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:46,230 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] [2024-11-09 12:00:46,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:00:46,430 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,SelfDestructingSolverStorable10 [2024-11-09 12:00:46,431 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:46,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:46,432 INFO L85 PathProgramCache]: Analyzing trace with hash -748037788, now seen corresponding path program 1 times [2024-11-09 12:00:46,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:46,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203488268] [2024-11-09 12:00:46,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:46,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:46,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:46,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203488268] [2024-11-09 12:00:46,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203488268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:46,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:46,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934696938] [2024-11-09 12:00:46,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:46,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:46,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:46,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:46,548 INFO L87 Difference]: Start difference. First operand 257 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:47,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:47,197 INFO L93 Difference]: Finished difference Result 340 states and 449 transitions. [2024-11-09 12:00:47,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:47,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 29 [2024-11-09 12:00:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:47,200 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:47,200 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:47,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:47,201 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 63 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:47,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 219 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:00:47,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:47,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 267. [2024-11-09 12:00:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 257 states have internal predecessors, (356), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 372 transitions. [2024-11-09 12:00:47,210 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 372 transitions. Word has length 29 [2024-11-09 12:00:47,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:47,211 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 372 transitions. [2024-11-09 12:00:47,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2024-11-09 12:00:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:00:47,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:47,212 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:47,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:00:47,212 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:47,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:47,213 INFO L85 PathProgramCache]: Analyzing trace with hash -332915099, now seen corresponding path program 1 times [2024-11-09 12:00:47,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:47,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325423762] [2024-11-09 12:00:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:47,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:47,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179825757] [2024-11-09 12:00:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:47,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:47,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:47,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:47,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:00:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:47,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:47,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:47,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:47,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325423762] [2024-11-09 12:00:47,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179825757] [2024-11-09 12:00:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179825757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:47,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:47,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:47,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508912050] [2024-11-09 12:00:47,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:47,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:47,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:47,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:47,374 INFO L87 Difference]: Start difference. First operand 267 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:47,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:47,730 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2024-11-09 12:00:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:47,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 29 [2024-11-09 12:00:47,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:47,732 INFO L225 Difference]: With dead ends: 283 [2024-11-09 12:00:47,732 INFO L226 Difference]: Without dead ends: 279 [2024-11-09 12:00:47,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:47,733 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 198 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:47,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 89 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-09 12:00:47,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2024-11-09 12:00:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 257 states have internal predecessors, (351), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions. [2024-11-09 12:00:47,742 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 29 [2024-11-09 12:00:47,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:47,742 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions. [2024-11-09 12:00:47,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions. [2024-11-09 12:00:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:47,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:47,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:47,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:47,943 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 [2024-11-09 12:00:47,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:47,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:47,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1714334841, now seen corresponding path program 1 times [2024-11-09 12:00:47,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:47,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905189811] [2024-11-09 12:00:47,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:47,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:48,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:48,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905189811] [2024-11-09 12:00:48,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905189811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:48,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:48,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:48,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108470078] [2024-11-09 12:00:48,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:48,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:48,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:48,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:48,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:48,082 INFO L87 Difference]: Start difference. First operand 267 states and 367 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:49,222 INFO L93 Difference]: Finished difference Result 340 states and 441 transitions. [2024-11-09 12:00:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:49,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:49,224 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:49,224 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:49,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:49,225 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:49,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 215 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:00:49,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:49,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 269. [2024-11-09 12:00:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 221 states have (on average 1.5972850678733033) internal successors, (353), 259 states have internal predecessors, (353), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 369 transitions. [2024-11-09 12:00:49,237 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 369 transitions. Word has length 30 [2024-11-09 12:00:49,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:49,237 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 369 transitions. [2024-11-09 12:00:49,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 369 transitions. [2024-11-09 12:00:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:49,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:49,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:49,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 12:00:49,240 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:49,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:49,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1316264971, now seen corresponding path program 1 times [2024-11-09 12:00:49,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:49,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905925321] [2024-11-09 12:00:49,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:49,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:49,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905925321] [2024-11-09 12:00:49,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905925321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:49,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:49,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:49,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853223766] [2024-11-09 12:00:49,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:49,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:49,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:49,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:49,374 INFO L87 Difference]: Start difference. First operand 269 states and 369 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:50,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:50,062 INFO L93 Difference]: Finished difference Result 381 states and 545 transitions. [2024-11-09 12:00:50,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:50,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:50,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:50,069 INFO L225 Difference]: With dead ends: 381 [2024-11-09 12:00:50,069 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 12:00:50,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:50,070 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 282 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:50,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 96 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:00:50,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 12:00:50,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 275. [2024-11-09 12:00:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 265 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2024-11-09 12:00:50,085 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 30 [2024-11-09 12:00:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:50,086 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2024-11-09 12:00:50,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2024-11-09 12:00:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:50,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:50,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:50,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 12:00:50,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:50,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1730433355, now seen corresponding path program 1 times [2024-11-09 12:00:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:50,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14054213] [2024-11-09 12:00:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:50,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:50,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:50,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14054213] [2024-11-09 12:00:50,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14054213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:50,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:50,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:50,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778572446] [2024-11-09 12:00:50,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:50,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:50,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:50,169 INFO L87 Difference]: Start difference. First operand 275 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:50,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:50,702 INFO L93 Difference]: Finished difference Result 340 states and 437 transitions. [2024-11-09 12:00:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:50,705 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:50,705 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:50,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:50,706 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:50,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 214 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:00:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:50,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2024-11-09 12:00:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 274 states have internal predecessors, (374), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 390 transitions. [2024-11-09 12:00:50,720 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 390 transitions. Word has length 30 [2024-11-09 12:00:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:50,721 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 390 transitions. [2024-11-09 12:00:50,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 390 transitions. [2024-11-09 12:00:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:00:50,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:50,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:50,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 12:00:50,722 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:50,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2145458997, now seen corresponding path program 1 times [2024-11-09 12:00:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282301129] [2024-11-09 12:00:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:50,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:50,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282301129] [2024-11-09 12:00:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282301129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:50,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:50,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:50,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993347036] [2024-11-09 12:00:50,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:50,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:50,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:50,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:50,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:50,845 INFO L87 Difference]: Start difference. First operand 284 states and 390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:51,408 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2024-11-09 12:00:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:51,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-09 12:00:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:51,410 INFO L225 Difference]: With dead ends: 292 [2024-11-09 12:00:51,410 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 12:00:51,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:51,411 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 276 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:51,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 80 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:00:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 12:00:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2024-11-09 12:00:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5720338983050848) internal successors, (371), 274 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2024-11-09 12:00:51,437 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 31 [2024-11-09 12:00:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:51,438 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2024-11-09 12:00:51,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2024-11-09 12:00:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:00:51,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:51,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:51,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 12:00:51,439 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:51,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:51,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2103826329, now seen corresponding path program 1 times [2024-11-09 12:00:51,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:51,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739853547] [2024-11-09 12:00:51,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:51,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:51,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:51,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739853547] [2024-11-09 12:00:51,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739853547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:51,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:51,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:51,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944652879] [2024-11-09 12:00:51,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:51,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:51,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:51,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:51,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:51,617 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:52,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:52,548 INFO L93 Difference]: Finished difference Result 340 states and 431 transitions. [2024-11-09 12:00:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:52,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-09 12:00:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:52,551 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:52,552 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:52,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:52,553 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:52,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 221 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:00:52,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:52,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2024-11-09 12:00:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 276 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2024-11-09 12:00:52,568 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 31 [2024-11-09 12:00:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:52,568 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2024-11-09 12:00:52,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2024-11-09 12:00:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:00:52,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:52,569 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:52,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 12:00:52,570 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:52,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash 346093816, now seen corresponding path program 1 times [2024-11-09 12:00:52,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:52,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489635917] [2024-11-09 12:00:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:52,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:52,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:52,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489635917] [2024-11-09 12:00:52,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489635917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:00:52,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155239158] [2024-11-09 12:00:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:52,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:52,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:00:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:52,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:52,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155239158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:00:52,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:00:52,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-09 12:00:52,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733538772] [2024-11-09 12:00:52,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:52,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:00:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:52,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:00:52,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:00:52,859 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:52,998 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2024-11-09 12:00:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:00:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-09 12:00:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:53,002 INFO L225 Difference]: With dead ends: 773 [2024-11-09 12:00:53,003 INFO L226 Difference]: Without dead ends: 757 [2024-11-09 12:00:53,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:00:53,005 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 220 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:53,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 680 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:00:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-09 12:00:53,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 671. [2024-11-09 12:00:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 607 states have (on average 1.5897858319604612) internal successors, (965), 649 states have internal predecessors, (965), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 12:00:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1007 transitions. [2024-11-09 12:00:53,039 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1007 transitions. Word has length 32 [2024-11-09 12:00:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:53,039 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1007 transitions. [2024-11-09 12:00:53,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1007 transitions. [2024-11-09 12:00:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:00:53,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:53,040 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:53,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:53,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:53,245 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:53,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:53,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1883677082, now seen corresponding path program 1 times [2024-11-09 12:00:53,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:53,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509978886] [2024-11-09 12:00:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:53,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106782800] [2024-11-09 12:00:53,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:53,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:53,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:53,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:00:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:53,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 12:00:53,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:54,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:56,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:56,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509978886] [2024-11-09 12:00:56,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:56,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106782800] [2024-11-09 12:00:56,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106782800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:00:56,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:00:56,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-09 12:00:56,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160546775] [2024-11-09 12:00:56,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:56,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:00:56,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:56,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:00:56,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:00:56,134 INFO L87 Difference]: Start difference. First operand 671 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:02,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 12:01:09,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 12:01:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:09,813 INFO L93 Difference]: Finished difference Result 1198 states and 1822 transitions. [2024-11-09 12:01:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 12:01:09,814 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 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 34 [2024-11-09 12:01:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:09,819 INFO L225 Difference]: With dead ends: 1198 [2024-11-09 12:01:09,820 INFO L226 Difference]: Without dead ends: 1154 [2024-11-09 12:01:09,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-09 12:01:09,823 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 677 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:09,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 156 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 903 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-11-09 12:01:09,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-09 12:01:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 822. [2024-11-09 12:01:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 756 states have (on average 1.5145502645502646) internal successors, (1145), 796 states have internal predecessors, (1145), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 12:01:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1193 transitions. [2024-11-09 12:01:09,870 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1193 transitions. Word has length 34 [2024-11-09 12:01:09,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:09,871 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1193 transitions. [2024-11-09 12:01:09,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1193 transitions. [2024-11-09 12:01:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:01:09,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:09,872 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] [2024-11-09 12:01:09,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:01:10,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:10,074 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:10,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:10,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1960786937, now seen corresponding path program 1 times [2024-11-09 12:01:10,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:10,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858430402] [2024-11-09 12:01:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174009979] [2024-11-09 12:01:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:10,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:10,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:10,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:10,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:01:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:10,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:01:10,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:10,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:10,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:10,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858430402] [2024-11-09 12:01:10,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:10,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174009979] [2024-11-09 12:01:10,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174009979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:10,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:10,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:01:10,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259448793] [2024-11-09 12:01:10,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:10,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:01:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:10,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:01:10,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:01:10,276 INFO L87 Difference]: Start difference. First operand 822 states and 1193 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:10,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:10,899 INFO L93 Difference]: Finished difference Result 967 states and 1411 transitions. [2024-11-09 12:01:10,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:01:10,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-09 12:01:10,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:10,903 INFO L225 Difference]: With dead ends: 967 [2024-11-09 12:01:10,903 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 12:01:10,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:01:10,904 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 221 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:10,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 121 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:01:10,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 12:01:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 823. [2024-11-09 12:01:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 798 states have internal predecessors, (1135), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 12:01:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1181 transitions. [2024-11-09 12:01:10,942 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1181 transitions. Word has length 34 [2024-11-09 12:01:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1181 transitions. [2024-11-09 12:01:10,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1181 transitions. [2024-11-09 12:01:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:01:10,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:10,942 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:10,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:01:11,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:11,143 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:11,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:11,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1735552545, now seen corresponding path program 1 times [2024-11-09 12:01:11,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:11,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850793140] [2024-11-09 12:01:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:11,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:11,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042418346] [2024-11-09 12:01:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:11,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:11,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:11,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:01:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:11,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 12:01:11,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:11,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:13,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850793140] [2024-11-09 12:01:13,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042418346] [2024-11-09 12:01:13,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042418346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:01:13,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:01:13,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-09 12:01:13,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040319161] [2024-11-09 12:01:13,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:13,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:01:13,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:13,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:01:13,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:01:13,577 INFO L87 Difference]: Start difference. First operand 823 states and 1181 transitions. Second operand has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:19,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:19,569 INFO L93 Difference]: Finished difference Result 1218 states and 1780 transitions. [2024-11-09 12:01:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 12:01:19,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 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 35 [2024-11-09 12:01:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:19,579 INFO L225 Difference]: With dead ends: 1218 [2024-11-09 12:01:19,583 INFO L226 Difference]: Without dead ends: 1178 [2024-11-09 12:01:19,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:01:19,585 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 727 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:19,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 130 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-09 12:01:19,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-09 12:01:19,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 888. [2024-11-09 12:01:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 824 states have (on average 1.4575242718446602) internal successors, (1201), 863 states have internal predecessors, (1201), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1245 transitions. [2024-11-09 12:01:19,675 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1245 transitions. Word has length 35 [2024-11-09 12:01:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:19,675 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1245 transitions. [2024-11-09 12:01:19,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:01:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1245 transitions. [2024-11-09 12:01:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:01:19,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:19,676 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] [2024-11-09 12:01:19,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:19,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 12:01:19,881 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:19,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash 654853049, now seen corresponding path program 1 times [2024-11-09 12:01:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282693659] [2024-11-09 12:01:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:19,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561585717] [2024-11-09 12:01:19,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:19,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:19,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:19,905 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:19,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:01:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:19,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:01:19,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:20,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:20,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282693659] [2024-11-09 12:01:20,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561585717] [2024-11-09 12:01:20,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561585717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:20,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:20,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:01:20,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751197308] [2024-11-09 12:01:20,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:20,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:01:20,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:20,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:01:20,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:01:20,098 INFO L87 Difference]: Start difference. First operand 888 states and 1245 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:20,706 INFO L93 Difference]: Finished difference Result 903 states and 1257 transitions. [2024-11-09 12:01:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:01:20,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-09 12:01:20,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:20,710 INFO L225 Difference]: With dead ends: 903 [2024-11-09 12:01:20,710 INFO L226 Difference]: Without dead ends: 898 [2024-11-09 12:01:20,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:01:20,711 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 244 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:20,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 90 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:20,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-09 12:01:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 882. [2024-11-09 12:01:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 818 states have (on average 1.4327628361858191) internal successors, (1172), 857 states have internal predecessors, (1172), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2024-11-09 12:01:20,772 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 35 [2024-11-09 12:01:20,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:20,772 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2024-11-09 12:01:20,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2024-11-09 12:01:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:01:20,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:20,773 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:20,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:20,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 12:01:20,974 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:20,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2032446012, now seen corresponding path program 1 times [2024-11-09 12:01:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:20,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969589023] [2024-11-09 12:01:20,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:20,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45415958] [2024-11-09 12:01:20,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:20,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:20,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:20,999 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:21,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:01:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:01:21,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:21,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:25,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:25,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969589023] [2024-11-09 12:01:25,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:25,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45415958] [2024-11-09 12:01:25,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45415958] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:25,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:25,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-09 12:01:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539607964] [2024-11-09 12:01:25,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:25,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:25,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:25,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:25,970 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:32,290 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2024-11-09 12:01:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:32,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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 36 [2024-11-09 12:01:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:32,295 INFO L225 Difference]: With dead ends: 901 [2024-11-09 12:01:32,295 INFO L226 Difference]: Without dead ends: 900 [2024-11-09 12:01:32,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:32,297 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 33 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:32,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 131 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 12:01:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-09 12:01:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 899. [2024-11-09 12:01:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 835 states have (on average 1.4191616766467066) internal successors, (1185), 874 states have internal predecessors, (1185), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1229 transitions. [2024-11-09 12:01:32,370 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1229 transitions. Word has length 36 [2024-11-09 12:01:32,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:32,371 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1229 transitions. [2024-11-09 12:01:32,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1229 transitions. [2024-11-09 12:01:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:01:32,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:32,371 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] [2024-11-09 12:01:32,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:01:32,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 12:01:32,572 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:32,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1174391813, now seen corresponding path program 1 times [2024-11-09 12:01:32,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:32,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597056074] [2024-11-09 12:01:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:01:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:32,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:32,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597056074] [2024-11-09 12:01:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597056074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:32,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887164208] [2024-11-09 12:01:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:32,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:32,692 INFO L87 Difference]: Start difference. First operand 899 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:33,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:33,796 INFO L93 Difference]: Finished difference Result 939 states and 1271 transitions. [2024-11-09 12:01:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:33,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 36 [2024-11-09 12:01:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:33,799 INFO L225 Difference]: With dead ends: 939 [2024-11-09 12:01:33,800 INFO L226 Difference]: Without dead ends: 938 [2024-11-09 12:01:33,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:33,801 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:33,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 193 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 12:01:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-09 12:01:33,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 921. [2024-11-09 12:01:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 857 states have (on average 1.4224037339556592) internal successors, (1219), 896 states have internal predecessors, (1219), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1263 transitions. [2024-11-09 12:01:33,870 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1263 transitions. Word has length 36 [2024-11-09 12:01:33,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:33,870 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1263 transitions. [2024-11-09 12:01:33,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1263 transitions. [2024-11-09 12:01:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:33,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:33,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:33,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 12:01:33,872 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:33,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:33,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1418683007, now seen corresponding path program 1 times [2024-11-09 12:01:33,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:33,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021879309] [2024-11-09 12:01:33,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:33,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101245412] [2024-11-09 12:01:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:33,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:33,911 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:33,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:01:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:33,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:01:33,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:34,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:36,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021879309] [2024-11-09 12:01:36,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101245412] [2024-11-09 12:01:36,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101245412] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:36,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-09 12:01:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561964525] [2024-11-09 12:01:36,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:36,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:36,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:36,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:36,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:36,276 INFO L87 Difference]: Start difference. First operand 921 states and 1263 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:40,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:40,698 INFO L93 Difference]: Finished difference Result 925 states and 1267 transitions. [2024-11-09 12:01:40,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:40,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:40,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:40,702 INFO L225 Difference]: With dead ends: 925 [2024-11-09 12:01:40,703 INFO L226 Difference]: Without dead ends: 924 [2024-11-09 12:01:40,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:40,703 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 31 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:40,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 126 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 12:01:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-09 12:01:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 923. [2024-11-09 12:01:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4155995343422585) internal successors, (1216), 898 states have internal predecessors, (1216), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1260 transitions. [2024-11-09 12:01:40,749 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1260 transitions. Word has length 37 [2024-11-09 12:01:40,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:40,750 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1260 transitions. [2024-11-09 12:01:40,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1260 transitions. [2024-11-09 12:01:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:40,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:40,750 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:40,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:01:40,950 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,SelfDestructingSolverStorable25 [2024-11-09 12:01:40,951 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:40,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash 455632843, now seen corresponding path program 1 times [2024-11-09 12:01:40,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:40,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010924329] [2024-11-09 12:01:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:40,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:40,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450360626] [2024-11-09 12:01:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:40,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:40,965 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:40,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:01:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:41,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:41,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:41,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010924329] [2024-11-09 12:01:41,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450360626] [2024-11-09 12:01:41,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450360626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:41,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:41,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:01:41,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392617578] [2024-11-09 12:01:41,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:41,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:41,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:41,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:01:41,122 INFO L87 Difference]: Start difference. First operand 923 states and 1260 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:41,532 INFO L93 Difference]: Finished difference Result 931 states and 1266 transitions. [2024-11-09 12:01:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:01:41,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:41,535 INFO L225 Difference]: With dead ends: 931 [2024-11-09 12:01:41,535 INFO L226 Difference]: Without dead ends: 930 [2024-11-09 12:01:41,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:01:41,536 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 159 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:41,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 197 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:01:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-09 12:01:41,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 923. [2024-11-09 12:01:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4121071012805588) internal successors, (1213), 898 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1257 transitions. [2024-11-09 12:01:41,576 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1257 transitions. Word has length 37 [2024-11-09 12:01:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:41,576 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1257 transitions. [2024-11-09 12:01:41,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1257 transitions. [2024-11-09 12:01:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:41,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:41,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:41,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:01:41,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:41,782 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:41,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:41,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2046407685, now seen corresponding path program 1 times [2024-11-09 12:01:41,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:41,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886591215] [2024-11-09 12:01:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:41,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:01:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886591215] [2024-11-09 12:01:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886591215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:41,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:41,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:41,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006622539] [2024-11-09 12:01:41,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:41,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:41,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:41,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:41,841 INFO L87 Difference]: Start difference. First operand 923 states and 1257 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:42,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:42,254 INFO L93 Difference]: Finished difference Result 940 states and 1261 transitions. [2024-11-09 12:01:42,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:42,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:42,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:42,257 INFO L225 Difference]: With dead ends: 940 [2024-11-09 12:01:42,257 INFO L226 Difference]: Without dead ends: 939 [2024-11-09 12:01:42,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:42,258 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:42,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 185 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:42,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-09 12:01:42,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2024-11-09 12:01:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 861 states have (on average 1.4088269454123112) internal successors, (1213), 900 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1257 transitions. [2024-11-09 12:01:42,309 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1257 transitions. Word has length 37 [2024-11-09 12:01:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:42,310 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1257 transitions. [2024-11-09 12:01:42,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1257 transitions. [2024-11-09 12:01:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 12:01:42,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:42,310 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:42,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 12:01:42,311 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:42,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1617930517, now seen corresponding path program 1 times [2024-11-09 12:01:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:42,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386432095] [2024-11-09 12:01:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:42,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190477207] [2024-11-09 12:01:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:42,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:42,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:42,328 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:42,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:01:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 12:01:42,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:42,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:45,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:45,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386432095] [2024-11-09 12:01:45,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:45,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190477207] [2024-11-09 12:01:45,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190477207] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:45,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:45,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 12:01:45,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668617804] [2024-11-09 12:01:45,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:45,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:45,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:45,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:45,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:45,401 INFO L87 Difference]: Start difference. First operand 925 states and 1257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:48,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:48,839 INFO L93 Difference]: Finished difference Result 950 states and 1287 transitions. [2024-11-09 12:01:48,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:01:48,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 12:01:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:48,842 INFO L225 Difference]: With dead ends: 950 [2024-11-09 12:01:48,842 INFO L226 Difference]: Without dead ends: 949 [2024-11-09 12:01:48,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:48,843 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 43 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:48,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 182 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 12:01:48,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-09 12:01:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 948. [2024-11-09 12:01:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 923 states have internal predecessors, (1237), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1281 transitions. [2024-11-09 12:01:48,901 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1281 transitions. Word has length 38 [2024-11-09 12:01:48,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:48,901 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1281 transitions. [2024-11-09 12:01:48,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1281 transitions. [2024-11-09 12:01:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:01:48,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:48,902 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:48,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 12:01:49,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 12:01:49,107 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:49,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash -223500115, now seen corresponding path program 1 times [2024-11-09 12:01:49,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:49,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92442879] [2024-11-09 12:01:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:49,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:49,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [620418633] [2024-11-09 12:01:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:49,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:49,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:49,127 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:49,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:01:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:49,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:49,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:49,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92442879] [2024-11-09 12:01:49,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:49,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620418633] [2024-11-09 12:01:49,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620418633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:49,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:49,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:49,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478285006] [2024-11-09 12:01:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:49,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:49,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:49,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:49,373 INFO L87 Difference]: Start difference. First operand 948 states and 1281 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:49,897 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2024-11-09 12:01:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:49,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-09 12:01:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:49,900 INFO L225 Difference]: With dead ends: 957 [2024-11-09 12:01:49,900 INFO L226 Difference]: Without dead ends: 955 [2024-11-09 12:01:49,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:01:49,904 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 164 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:49,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 217 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:49,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-09 12:01:49,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 948. [2024-11-09 12:01:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3925339366515836) internal successors, (1231), 923 states have internal predecessors, (1231), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1275 transitions. [2024-11-09 12:01:49,964 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1275 transitions. Word has length 39 [2024-11-09 12:01:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:49,967 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1275 transitions. [2024-11-09 12:01:49,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1275 transitions. [2024-11-09 12:01:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:01:49,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:49,968 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:49,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:50,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:50,169 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1383761586, now seen corresponding path program 1 times [2024-11-09 12:01:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:50,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609173159] [2024-11-09 12:01:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:50,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834624033] [2024-11-09 12:01:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:50,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:50,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:50,190 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:50,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:01:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:50,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 12:01:50,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:51,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:54,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:54,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:54,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609173159] [2024-11-09 12:01:54,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:54,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834624033] [2024-11-09 12:01:54,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834624033] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:54,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:54,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-09 12:01:54,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759636999] [2024-11-09 12:01:54,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:54,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:01:54,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:54,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:01:54,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:54,299 INFO L87 Difference]: Start difference. First operand 948 states and 1275 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:57,561 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2024-11-09 12:01:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:01:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-09 12:01:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:57,565 INFO L225 Difference]: With dead ends: 956 [2024-11-09 12:01:57,565 INFO L226 Difference]: Without dead ends: 955 [2024-11-09 12:01:57,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:57,566 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 29 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:57,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 202 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 12:01:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-09 12:01:57,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2024-11-09 12:01:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 871 states have (on average 1.397244546498278) internal successors, (1217), 910 states have internal predecessors, (1217), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1261 transitions. [2024-11-09 12:01:57,623 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1261 transitions. Word has length 39 [2024-11-09 12:01:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:57,623 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1261 transitions. [2024-11-09 12:01:57,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2024-11-09 12:01:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:01:57,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:57,624 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:57,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 12:01:57,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:57,829 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:57,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:57,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1661431092, now seen corresponding path program 1 times [2024-11-09 12:01:57,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336878527] [2024-11-09 12:01:57,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:57,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994199140] [2024-11-09 12:01:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:57,843 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:57,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 12:01:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:57,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 12:01:57,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:58,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:59,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:59,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336878527] [2024-11-09 12:01:59,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:59,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994199140] [2024-11-09 12:01:59,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994199140] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:01:59,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:01:59,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:01:59,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696338403] [2024-11-09 12:01:59,180 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:59,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:01:59,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:01:59,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:01:59,181 INFO L87 Difference]: Start difference. First operand 935 states and 1261 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:02:04,239 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2024-11-09 12:02:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:02:04,243 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-09 12:02:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:02:04,246 INFO L225 Difference]: With dead ends: 984 [2024-11-09 12:02:04,246 INFO L226 Difference]: Without dead ends: 982 [2024-11-09 12:02:04,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:02:04,248 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 542 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:02:04,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 152 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 12:02:04,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-09 12:02:04,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 965. [2024-11-09 12:02:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 901 states have (on average 1.3940066592674807) internal successors, (1256), 940 states have internal predecessors, (1256), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:02:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1300 transitions. [2024-11-09 12:02:04,314 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1300 transitions. Word has length 40 [2024-11-09 12:02:04,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:02:04,314 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1300 transitions. [2024-11-09 12:02:04,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:02:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1300 transitions. [2024-11-09 12:02:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:02:04,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:02:04,315 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:02:04,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 12:02:04,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:04,516 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:02:04,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:02:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash -53063731, now seen corresponding path program 1 times [2024-11-09 12:02:04,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:02:04,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305838398] [2024-11-09 12:02:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:04,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:02:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:02:04,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530745275] [2024-11-09 12:02:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:02:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:02:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:02:04,535 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:02:04,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 12:02:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:02:04,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:02:04,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:02:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:02:04,912 INFO L311 TraceCheckSpWp]: Computing backward predicates...