./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.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/fermat2-ll_valuebound5.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 26b0e9a1f24f001efea295bcd9797908bff3501d4b08818e2be1159233981d8d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:46:50,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:46:50,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:46:51,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:46:51,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:46:51,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:46:51,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:46:51,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:46:51,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:46:51,036 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:46:51,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:46:51,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:46:51,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:46:51,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:46:51,038 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:46:51,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:46:51,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:46:51,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:46:51,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:46:51,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:46:51,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:46:51,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:46:51,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:46:51,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:46:51,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:46:51,044 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:46:51,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:46:51,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:46:51,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:46:51,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:46:51,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:46:51,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:46:51,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:46:51,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:46:51,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:46:51,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:46:51,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:46:51,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:46:51,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:46:51,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:46:51,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:46:51,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:46:51,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:46:51,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:46:51,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b0e9a1f24f001efea295bcd9797908bff3501d4b08818e2be1159233981d8d [2024-11-09 11:46:51,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:46:51,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:46:51,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:46:51,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:46:51,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:46:51,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-11-09 11:46:52,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:46:53,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:46:53,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-11-09 11:46:53,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8ad0664/ec26808ccfb8429298f6e090e094aecd/FLAGad559c476 [2024-11-09 11:46:53,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8ad0664/ec26808ccfb8429298f6e090e094aecd [2024-11-09 11:46:53,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:46:53,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:46:53,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:46:53,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:46:53,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:46:53,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fae48e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53, skipping insertion in model container [2024-11-09 11:46:53,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:46:53,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:46:53,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:46:53,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:46:53,750 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:46:53,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53 WrapperNode [2024-11-09 11:46:53,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:46:53,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:46:53,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:46:53,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:46:53,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,809 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-09 11:46:53,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:46:53,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:46:53,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:46:53,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:46:53,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,849 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 11:46:53,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:46:53,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:46:53,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:46:53,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:46:53,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (1/1) ... [2024-11-09 11:46:53,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:46:53,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:53,919 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 11:46:53,922 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 11:46:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:46:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:46:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:46:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:46:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:46:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:46:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:46:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:46:54,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:46:54,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:46:54,383 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-09 11:46:54,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:46:54,406 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:46:54,406 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:46:54,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:46:54 BoogieIcfgContainer [2024-11-09 11:46:54,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:46:54,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:46:54,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:46:54,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:46:54,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:46:53" (1/3) ... [2024-11-09 11:46:54,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213fe9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:46:54, skipping insertion in model container [2024-11-09 11:46:54,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:46:53" (2/3) ... [2024-11-09 11:46:54,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213fe9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:46:54, skipping insertion in model container [2024-11-09 11:46:54,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:46:54" (3/3) ... [2024-11-09 11:46:54,415 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound5.c [2024-11-09 11:46:54,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:46:54,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 11:46:54,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:46:54,501 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;@21f5732e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:46:54,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 11:46:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:46:54,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:54,531 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:54,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:54,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1425738901, now seen corresponding path program 1 times [2024-11-09 11:46:54,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:54,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217449703] [2024-11-09 11:46:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:54,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:54,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:54,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217449703] [2024-11-09 11:46:54,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217449703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:54,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:54,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:54,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034294162] [2024-11-09 11:46:54,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:54,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:46:54,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:54,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:46:54,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:46:54,775 INFO L87 Difference]: Start difference. First operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:46:54,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:54,800 INFO L93 Difference]: Finished difference Result 266 states and 295 transitions. [2024-11-09 11:46:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:46:54,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-09 11:46:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:54,811 INFO L225 Difference]: With dead ends: 266 [2024-11-09 11:46:54,812 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 11:46:54,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 11:46:54,817 INFO L432 NwaCegarLoop]: 136 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, 136 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 11:46:54,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:54,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 11:46:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-09 11:46:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 68 states have (on average 1.75) internal successors, (119), 117 states have internal predecessors, (119), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 129 transitions. [2024-11-09 11:46:54,862 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 129 transitions. Word has length 14 [2024-11-09 11:46:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:54,862 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 129 transitions. [2024-11-09 11:46:54,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:46:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2024-11-09 11:46:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:46:54,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:54,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:54,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:46:54,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:54,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:54,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1032771473, now seen corresponding path program 1 times [2024-11-09 11:46:54,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:54,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012607513] [2024-11-09 11:46:54,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:54,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012607513] [2024-11-09 11:46:54,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012607513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:54,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:54,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:54,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078891343] [2024-11-09 11:46:54,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:54,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:54,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:54,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:54,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:54,951 INFO L87 Difference]: Start difference. First operand 125 states and 129 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:46:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:55,018 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2024-11-09 11:46:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:55,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 14 [2024-11-09 11:46:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:55,021 INFO L225 Difference]: With dead ends: 125 [2024-11-09 11:46:55,023 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 11:46:55,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:46:55,025 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:55,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 11:46:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-09 11:46:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 68 states have (on average 1.6911764705882353) internal successors, (115), 113 states have internal predecessors, (115), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-09 11:46:55,046 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 14 [2024-11-09 11:46:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:55,047 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-09 11:46:55,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:46:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-09 11:46:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:46:55,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:55,048 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:55,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:46:55,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:55,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1951144630, now seen corresponding path program 1 times [2024-11-09 11:46:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052073301] [2024-11-09 11:46:55,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:46:55,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:55,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052073301] [2024-11-09 11:46:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052073301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:55,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:55,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959534610] [2024-11-09 11:46:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:55,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:55,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:55,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:55,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:55,119 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:46:55,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:55,186 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2024-11-09 11:46:55,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:55,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15 [2024-11-09 11:46:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:55,189 INFO L225 Difference]: With dead ends: 121 [2024-11-09 11:46:55,190 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 11:46:55,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:46:55,192 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:55,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 201 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 11:46:55,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 11:46:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.6323529411764706) internal successors, (111), 109 states have internal predecessors, (111), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2024-11-09 11:46:55,211 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 15 [2024-11-09 11:46:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:55,212 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2024-11-09 11:46:55,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:46:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2024-11-09 11:46:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 11:46:55,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:55,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:55,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:46:55,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:55,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash -423159302, now seen corresponding path program 1 times [2024-11-09 11:46:55,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020094713] [2024-11-09 11:46:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:55,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988876216] [2024-11-09 11:46:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:55,258 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 11:46:55,259 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 11:46:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:55,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:46:55,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:46:55,399 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:55,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:55,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020094713] [2024-11-09 11:46:55,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:55,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988876216] [2024-11-09 11:46:55,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988876216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:55,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:55,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:46:55,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531307092] [2024-11-09 11:46:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:46:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:46:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:55,403 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:55,506 INFO L93 Difference]: Finished difference Result 117 states and 121 transitions. [2024-11-09 11:46:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:55,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-09 11:46:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:55,510 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:46:55,511 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 11:46:55,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:46:55,512 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 8 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:55,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 379 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 11:46:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 11:46:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-09 11:46:55,532 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 19 [2024-11-09 11:46:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:55,533 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-09 11:46:55,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:46:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-09 11:46:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:46:55,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:55,538 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:55,556 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 11:46:55,739 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 11:46:55,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:55,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1491537499, now seen corresponding path program 1 times [2024-11-09 11:46:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:55,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779884304] [2024-11-09 11:46:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:55,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349795448] [2024-11-09 11:46:55,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:55,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:55,775 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 11:46:55,777 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 11:46:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:55,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:46:55,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:55,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779884304] [2024-11-09 11:46:56,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349795448] [2024-11-09 11:46:56,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349795448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:56,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:46:56,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:46:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605283165] [2024-11-09 11:46:56,044 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:56,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:46:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:46:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:46:56,048 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:46:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:56,130 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-09 11:46:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:46:56,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-09 11:46:56,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:56,131 INFO L225 Difference]: With dead ends: 115 [2024-11-09 11:46:56,133 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 11:46:56,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:46:56,134 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 80 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:56,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 294 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 11:46:56,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-09 11:46:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 68 states have (on average 1.5588235294117647) internal successors, (106), 104 states have internal predecessors, (106), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2024-11-09 11:46:56,152 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 36 [2024-11-09 11:46:56,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:56,153 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2024-11-09 11:46:56,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:46:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2024-11-09 11:46:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:46:56,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:56,154 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:56,174 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 11:46:56,354 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 11:46:56,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:56,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:56,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1006977722, now seen corresponding path program 1 times [2024-11-09 11:46:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:56,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976505259] [2024-11-09 11:46:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:46:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:46:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:56,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976505259] [2024-11-09 11:46:56,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976505259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:56,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468881387] [2024-11-09 11:46:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:56,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:56,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:56,665 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 11:46:56,667 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 11:46:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:56,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:46:56,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:56,834 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:56,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468881387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:56,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:46:56,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:46:56,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34703481] [2024-11-09 11:46:56,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:56,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:46:56,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:46:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:46:56,836 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:56,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:56,956 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2024-11-09 11:46:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:46:56,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-09 11:46:56,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:56,958 INFO L225 Difference]: With dead ends: 112 [2024-11-09 11:46:56,958 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 11:46:56,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:46:56,959 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 79 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:56,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 373 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:56,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 11:46:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-09 11:46:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 103 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2024-11-09 11:46:56,967 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 37 [2024-11-09 11:46:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:56,968 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2024-11-09 11:46:56,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2024-11-09 11:46:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:46:56,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:56,970 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:56,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:46:57,170 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 11:46:57,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:57,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1337946872, now seen corresponding path program 1 times [2024-11-09 11:46:57,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:57,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966170134] [2024-11-09 11:46:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:46:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:46:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:46:57,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:57,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966170134] [2024-11-09 11:46:57,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966170134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:57,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:57,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:57,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296754798] [2024-11-09 11:46:57,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:57,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:57,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:57,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:57,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:57,276 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:57,319 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2024-11-09 11:46:57,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:57,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-11-09 11:46:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:57,321 INFO L225 Difference]: With dead ends: 114 [2024-11-09 11:46:57,321 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 11:46:57,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 11:46:57,322 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:57,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:46:57,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 11:46:57,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-09 11:46:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-09 11:46:57,341 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39 [2024-11-09 11:46:57,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:57,342 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-09 11:46:57,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-09 11:46:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:46:57,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:57,343 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:57,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:46:57,343 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:57,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:57,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1473320006, now seen corresponding path program 1 times [2024-11-09 11:46:57,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:57,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619453089] [2024-11-09 11:46:57,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:57,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:46:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:46:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:46:57,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619453089] [2024-11-09 11:46:57,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619453089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:57,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:46:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881001457] [2024-11-09 11:46:57,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:57,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:46:57,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:46:57,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:57,433 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:57,510 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-09 11:46:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:46:57,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-09 11:46:57,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:57,512 INFO L225 Difference]: With dead ends: 115 [2024-11-09 11:46:57,512 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 11:46:57,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:46:57,513 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:57,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 212 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 11:46:57,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-09 11:46:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2024-11-09 11:46:57,524 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40 [2024-11-09 11:46:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:57,525 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2024-11-09 11:46:57,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2024-11-09 11:46:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:46:57,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:57,528 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:57,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:46:57,529 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:57,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:57,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1571719990, now seen corresponding path program 1 times [2024-11-09 11:46:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:57,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222281879] [2024-11-09 11:46:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:57,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633400051] [2024-11-09 11:46:57,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:57,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:57,553 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 11:46:57,555 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 11:46:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:57,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:46:57,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:46:57,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:46:57,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:57,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222281879] [2024-11-09 11:46:57,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:57,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633400051] [2024-11-09 11:46:57,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633400051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:46:57,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:46:57,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:46:57,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243357571] [2024-11-09 11:46:57,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:46:57,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:46:57,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:57,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:46:57,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:46:57,621 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:57,688 INFO L93 Difference]: Finished difference Result 150 states and 162 transitions. [2024-11-09 11:46:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:46:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-09 11:46:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:57,690 INFO L225 Difference]: With dead ends: 150 [2024-11-09 11:46:57,690 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 11:46:57,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 11:46:57,691 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:57,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:46:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 11:46:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2024-11-09 11:46:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-09 11:46:57,703 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41 [2024-11-09 11:46:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:57,703 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-09 11:46:57,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:46:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-09 11:46:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:46:57,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:57,704 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:57,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:46:57,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:57,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1478679352, now seen corresponding path program 1 times [2024-11-09 11:46:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391925688] [2024-11-09 11:46:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:46:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:46:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:46:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:46:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:46:58,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:58,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391925688] [2024-11-09 11:46:58,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391925688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:58,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988652191] [2024-11-09 11:46:58,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:58,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:58,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:58,146 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 11:46:58,149 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 11:46:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:58,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:46:58,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:58,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:58,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988652191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:46:58,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:46:58,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-09 11:46:58,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681552565] [2024-11-09 11:46:58,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:58,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:46:58,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:58,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:46:58,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:46:58,657 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-09 11:46:58,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:58,946 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2024-11-09 11:46:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:46:58,947 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2024-11-09 11:46:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:58,948 INFO L225 Difference]: With dead ends: 150 [2024-11-09 11:46:58,948 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 11:46:58,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:46:58,949 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 324 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:58,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 568 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:46:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 11:46:58,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 116. [2024-11-09 11:46:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 108 states have internal predecessors, (110), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:46:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2024-11-09 11:46:58,958 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 42 [2024-11-09 11:46:58,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:58,959 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2024-11-09 11:46:58,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-09 11:46:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2024-11-09 11:46:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:46:58,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:58,961 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:58,977 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 11:46:59,164 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,SelfDestructingSolverStorable9 [2024-11-09 11:46:59,165 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:46:59,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:46:59,165 INFO L85 PathProgramCache]: Analyzing trace with hash 623320394, now seen corresponding path program 1 times [2024-11-09 11:46:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:46:59,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037606816] [2024-11-09 11:46:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:46:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:46:59,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62638781] [2024-11-09 11:46:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:46:59,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:46:59,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:46:59,185 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 11:46:59,186 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 11:46:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:46:59,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:46:59,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:46:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:59,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:46:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:46:59,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:46:59,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037606816] [2024-11-09 11:46:59,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:46:59,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62638781] [2024-11-09 11:46:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62638781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:46:59,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:46:59,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-09 11:46:59,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825429250] [2024-11-09 11:46:59,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:46:59,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:46:59,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:46:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:46:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:46:59,552 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:46:59,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:46:59,912 INFO L93 Difference]: Finished difference Result 192 states and 216 transitions. [2024-11-09 11:46:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:46:59,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44 [2024-11-09 11:46:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:46:59,913 INFO L225 Difference]: With dead ends: 192 [2024-11-09 11:46:59,914 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 11:46:59,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:46:59,914 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 159 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:46:59,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 323 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:46:59,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 11:46:59,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159. [2024-11-09 11:46:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 124 states have (on average 1.4435483870967742) internal successors, (179), 150 states have internal predecessors, (179), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:46:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 191 transitions. [2024-11-09 11:46:59,922 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 191 transitions. Word has length 44 [2024-11-09 11:46:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:46:59,923 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 191 transitions. [2024-11-09 11:46:59,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:46:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions. [2024-11-09 11:46:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:46:59,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:46:59,924 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:46:59,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:47:00,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:00,125 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:00,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:00,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2010447308, now seen corresponding path program 1 times [2024-11-09 11:47:00,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062533529] [2024-11-09 11:47:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:47:00,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836323455] [2024-11-09 11:47:00,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:00,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:47:00,139 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 11:47:00,140 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 11:47:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:47:00,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:47:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:00,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:47:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:00,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062533529] [2024-11-09 11:47:00,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:47:00,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836323455] [2024-11-09 11:47:00,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836323455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:00,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:00,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:47:00,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146891495] [2024-11-09 11:47:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:00,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:47:00,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:00,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:47:00,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:47:00,204 INFO L87 Difference]: Start difference. First operand 159 states and 191 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:47:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:00,314 INFO L93 Difference]: Finished difference Result 273 states and 337 transitions. [2024-11-09 11:47:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:47:00,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-11-09 11:47:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:00,317 INFO L225 Difference]: With dead ends: 273 [2024-11-09 11:47:00,317 INFO L226 Difference]: Without dead ends: 244 [2024-11-09 11:47:00,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:47:00,318 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:00,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 134 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:47:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-09 11:47:00,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2024-11-09 11:47:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 199 states have (on average 1.3919597989949748) internal successors, (277), 225 states have internal predecessors, (277), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2024-11-09 11:47:00,330 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 46 [2024-11-09 11:47:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:00,331 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2024-11-09 11:47:00,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:47:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2024-11-09 11:47:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:47:00,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:00,332 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:00,347 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 11:47:00,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:00,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:00,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:00,533 INFO L85 PathProgramCache]: Analyzing trace with hash -70702230, now seen corresponding path program 1 times [2024-11-09 11:47:00,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:00,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077873532] [2024-11-09 11:47:00,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:00,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:00,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:00,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077873532] [2024-11-09 11:47:00,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077873532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:00,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:00,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:47:00,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353166996] [2024-11-09 11:47:00,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:00,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:47:00,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:00,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:47:00,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:47:00,632 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:00,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:00,751 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2024-11-09 11:47:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:47:00,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-09 11:47:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:00,753 INFO L225 Difference]: With dead ends: 236 [2024-11-09 11:47:00,753 INFO L226 Difference]: Without dead ends: 235 [2024-11-09 11:47:00,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:47:00,755 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 101 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:00,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 178 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:47:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-09 11:47:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-09 11:47:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3718592964824121) internal successors, (273), 224 states have internal predecessors, (273), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2024-11-09 11:47:00,767 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 64 [2024-11-09 11:47:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:00,767 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2024-11-09 11:47:00,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2024-11-09 11:47:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:47:00,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:00,768 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:00,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:47:00,769 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:00,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:00,769 INFO L85 PathProgramCache]: Analyzing trace with hash -70702550, now seen corresponding path program 1 times [2024-11-09 11:47:00,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:00,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198466473] [2024-11-09 11:47:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:00,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:00,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198466473] [2024-11-09 11:47:00,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198466473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:00,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:00,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:47:00,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591423481] [2024-11-09 11:47:00,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:00,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:47:00,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:00,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:47:00,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:47:00,842 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:00,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:00,975 INFO L93 Difference]: Finished difference Result 243 states and 290 transitions. [2024-11-09 11:47:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:47:00,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-09 11:47:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:00,977 INFO L225 Difference]: With dead ends: 243 [2024-11-09 11:47:00,977 INFO L226 Difference]: Without dead ends: 242 [2024-11-09 11:47:00,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 11:47:00,978 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:00,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 197 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:47:00,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-09 11:47:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2024-11-09 11:47:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3618090452261307) internal successors, (271), 224 states have internal predecessors, (271), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions. [2024-11-09 11:47:00,988 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 64 [2024-11-09 11:47:00,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:00,989 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 287 transitions. [2024-11-09 11:47:00,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions. [2024-11-09 11:47:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:47:00,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:00,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:00,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:47:00,990 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:00,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2103198299, now seen corresponding path program 1 times [2024-11-09 11:47:00,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:00,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728332164] [2024-11-09 11:47:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:00,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:01,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:01,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728332164] [2024-11-09 11:47:01,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728332164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:01,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:01,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:47:01,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266445672] [2024-11-09 11:47:01,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:01,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:47:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:01,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:47:01,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:47:01,046 INFO L87 Difference]: Start difference. First operand 235 states and 287 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:01,161 INFO L93 Difference]: Finished difference Result 246 states and 298 transitions. [2024-11-09 11:47:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:47:01,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2024-11-09 11:47:01,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:01,164 INFO L225 Difference]: With dead ends: 246 [2024-11-09 11:47:01,164 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 11:47:01,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 11:47:01,165 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 50 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:01,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 172 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:47:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 11:47:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2024-11-09 11:47:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 223 states have internal predecessors, (267), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2024-11-09 11:47:01,181 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 65 [2024-11-09 11:47:01,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:01,181 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2024-11-09 11:47:01,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2024-11-09 11:47:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:47:01,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:01,182 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:01,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:47:01,182 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:01,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2103188369, now seen corresponding path program 1 times [2024-11-09 11:47:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:01,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065208116] [2024-11-09 11:47:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:01,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:01,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065208116] [2024-11-09 11:47:01,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065208116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:01,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:01,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:47:01,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099569370] [2024-11-09 11:47:01,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:01,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:47:01,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:01,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:47:01,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:47:01,268 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:01,447 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2024-11-09 11:47:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:47:01,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2024-11-09 11:47:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:01,449 INFO L225 Difference]: With dead ends: 237 [2024-11-09 11:47:01,450 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 11:47:01,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:47:01,450 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 118 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:01,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 152 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:47:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 11:47:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2024-11-09 11:47:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3316582914572865) internal successors, (265), 223 states have internal predecessors, (265), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2024-11-09 11:47:01,461 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 65 [2024-11-09 11:47:01,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:01,462 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2024-11-09 11:47:01,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2024-11-09 11:47:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:47:01,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:01,463 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:47:01,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:47:01,463 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:01,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:01,464 INFO L85 PathProgramCache]: Analyzing trace with hash 380438143, now seen corresponding path program 1 times [2024-11-09 11:47:01,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:01,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291568956] [2024-11-09 11:47:01,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:01,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291568956] [2024-11-09 11:47:01,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291568956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:47:01,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:47:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:47:01,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371010143] [2024-11-09 11:47:01,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:47:01,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:47:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:01,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:47:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:47:01,543 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:01,649 INFO L93 Difference]: Finished difference Result 239 states and 288 transitions. [2024-11-09 11:47:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:47:01,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2024-11-09 11:47:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:01,650 INFO L225 Difference]: With dead ends: 239 [2024-11-09 11:47:01,650 INFO L226 Difference]: Without dead ends: 238 [2024-11-09 11:47:01,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:47:01,651 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:01,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 172 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:47:01,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-09 11:47:01,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-09 11:47:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 201 states have (on average 1.3134328358208955) internal successors, (264), 225 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 280 transitions. [2024-11-09 11:47:01,663 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 280 transitions. Word has length 69 [2024-11-09 11:47:01,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:01,663 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 280 transitions. [2024-11-09 11:47:01,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:47:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 280 transitions. [2024-11-09 11:47:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:47:01,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:01,664 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:47:01,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:47:01,665 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -200498315, now seen corresponding path program 1 times [2024-11-09 11:47:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:01,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423119322] [2024-11-09 11:47:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:01,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:01,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423119322] [2024-11-09 11:47:01,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423119322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:47:01,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66868457] [2024-11-09 11:47:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:01,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:47:01,785 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 11:47:01,786 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 11:47:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:01,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:47:01,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:47:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:01,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:47:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:02,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66868457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:47:02,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:47:02,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-09 11:47:02,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375626114] [2024-11-09 11:47:02,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:47:02,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:47:02,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:47:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:47:02,118 INFO L87 Difference]: Start difference. First operand 236 states and 280 transitions. Second operand has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:47:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:02,665 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2024-11-09 11:47:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:47:02,666 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 69 [2024-11-09 11:47:02,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:02,667 INFO L225 Difference]: With dead ends: 302 [2024-11-09 11:47:02,667 INFO L226 Difference]: Without dead ends: 300 [2024-11-09 11:47:02,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:47:02,668 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 342 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:02,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 317 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:47:02,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-09 11:47:02,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 241. [2024-11-09 11:47:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 207 states have (on average 1.3043478260869565) internal successors, (270), 230 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 286 transitions. [2024-11-09 11:47:02,682 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 286 transitions. Word has length 69 [2024-11-09 11:47:02,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:02,682 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 286 transitions. [2024-11-09 11:47:02,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:47:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 286 transitions. [2024-11-09 11:47:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:47:02,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:02,683 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:47:02,699 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 11:47:02,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:47:02,884 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:02,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1091319377, now seen corresponding path program 1 times [2024-11-09 11:47:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:02,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576661114] [2024-11-09 11:47:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:02,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:02,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576661114] [2024-11-09 11:47:02,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576661114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:47:02,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673218410] [2024-11-09 11:47:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:02,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:02,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:47:02,970 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 11:47:02,971 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 11:47:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:03,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:47:03,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:47:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:03,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:47:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:03,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673218410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:47:03,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:47:03,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 11:47:03,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800728699] [2024-11-09 11:47:03,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:47:03,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:47:03,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:03,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:47:03,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:47:03,334 INFO L87 Difference]: Start difference. First operand 241 states and 286 transitions. Second operand has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:47:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:47:03,754 INFO L93 Difference]: Finished difference Result 275 states and 326 transitions. [2024-11-09 11:47:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:47:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 70 [2024-11-09 11:47:03,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:47:03,756 INFO L225 Difference]: With dead ends: 275 [2024-11-09 11:47:03,756 INFO L226 Difference]: Without dead ends: 273 [2024-11-09 11:47:03,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:47:03,757 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 242 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:47:03,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 236 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:47:03,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-09 11:47:03,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 246. [2024-11-09 11:47:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 212 states have (on average 1.2735849056603774) internal successors, (270), 235 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:47:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2024-11-09 11:47:03,773 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 70 [2024-11-09 11:47:03,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:47:03,773 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2024-11-09 11:47:03,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:47:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2024-11-09 11:47:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:47:03,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:47:03,774 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:47:03,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:47:03,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:03,975 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:47:03,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:47:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1920480391, now seen corresponding path program 1 times [2024-11-09 11:47:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:47:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485046559] [2024-11-09 11:47:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:47:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:47:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:47:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 11:47:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:47:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:47:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:04,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:47:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485046559] [2024-11-09 11:47:04,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485046559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:47:04,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287612612] [2024-11-09 11:47:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:47:04,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:47:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:47:04,058 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 11:47:04,059 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 11:47:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:47:04,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:47:04,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:47:19,302 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_48| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_48| |v_ULTIMATE.start_main_~R~0#1_48|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-09 11:47:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2024-11-09 11:47:19,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:47:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:47:20,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287612612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:47:20,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:47:20,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:47:20,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192112317] [2024-11-09 11:47:20,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:47:20,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:47:20,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:47:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:47:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=105, Unknown=7, NotChecked=22, Total=182 [2024-11-09 11:47:20,444 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:47:28,702 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 11:47:39,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:47,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:49,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:51,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:55,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:47:59,070 WARN L539 Checker$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 11:48:03,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:09,097 WARN L539 Checker$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 11:48:13,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:17,110 WARN L539 Checker$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 11:48:21,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:23,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:27,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:28,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:48:29,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]