./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/geo1-u_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 3fabbb4366f4018d2566a269c32a869eae5327dd4c35f2c68a01653f56969989 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:27:31,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:27:31,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:27:31,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:27:31,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:27:31,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:27:31,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:27:31,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:27:31,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:27:31,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:27:31,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:27:31,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:27:31,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:27:31,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:27:31,123 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:27:31,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:27:31,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:27:31,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:27:31,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:27:31,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:27:31,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:27:31,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:27:31,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:27:31,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:27:31,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:27:31,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:27:31,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:27:31,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:27:31,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:27:31,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:27:31,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:27:31,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:27:31,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:27:31,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fabbb4366f4018d2566a269c32a869eae5327dd4c35f2c68a01653f56969989 [2024-11-12 17:27:31,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:27:31,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:27:31,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:27:31,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:27:31,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:27:31,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound5.c [2024-11-12 17:27:32,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:27:32,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:27:32,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound5.c [2024-11-12 17:27:32,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ad0fbb6/60932003e037467390757857deed3149/FLAG8fcaf649c [2024-11-12 17:27:32,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ad0fbb6/60932003e037467390757857deed3149 [2024-11-12 17:27:32,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:27:32,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:27:32,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:27:32,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:27:32,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:27:32,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd5ed29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32, skipping insertion in model container [2024-11-12 17:27:32,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:27:32,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:27:32,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:27:32,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:27:32,908 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:27:32,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32 WrapperNode [2024-11-12 17:27:32,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:27:32,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:27:32,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:27:32,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:27:32,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,936 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-12 17:27:32,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:27:32,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:27:32,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:27:32,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:27:32,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,962 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]. [2024-11-12 17:27:32,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:27:32,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:27:32,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:27:32,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:27:32,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (1/1) ... [2024-11-12 17:27:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:27:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:32,997 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) [2024-11-12 17:27:33,000 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 [2024-11-12 17:27:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:27:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:27:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:27:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:27:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:27:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:27:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:27:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:27:33,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:27:33,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:27:33,278 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-12 17:27:33,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:27:33,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:27:33,288 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:27:33,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:27:33 BoogieIcfgContainer [2024-11-12 17:27:33,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:27:33,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:27:33,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:27:33,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:27:33,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:27:32" (1/3) ... [2024-11-12 17:27:33,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374e5ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:27:33, skipping insertion in model container [2024-11-12 17:27:33,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:27:32" (2/3) ... [2024-11-12 17:27:33,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374e5ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:27:33, skipping insertion in model container [2024-11-12 17:27:33,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:27:33" (3/3) ... [2024-11-12 17:27:33,297 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound5.c [2024-11-12 17:27:33,310 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:27:33,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-12 17:27:33,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:27:33,372 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;@2024700d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:27:33,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-12 17:27:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 61 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 17:27:33,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:33,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:33,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:33,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash 299065549, now seen corresponding path program 1 times [2024-11-12 17:27:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:33,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537268322] [2024-11-12 17:27:33,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:33,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:33,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:33,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537268322] [2024-11-12 17:27:33,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537268322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:33,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:33,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:27:33,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004566835] [2024-11-12 17:27:33,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:33,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:27:33,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:33,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:27:33,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:27:33,560 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 61 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-12 17:27:33,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:33,581 INFO L93 Difference]: Finished difference Result 132 states and 147 transitions. [2024-11-12 17:27:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:27:33,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 16 [2024-11-12 17:27:33,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:33,588 INFO L225 Difference]: With dead ends: 132 [2024-11-12 17:27:33,588 INFO L226 Difference]: Without dead ends: 61 [2024-11-12 17:27:33,591 INFO L434 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 [2024-11-12 17:27:33,594 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2024-11-12 17:27:33,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:27:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-12 17:27:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-12 17:27:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:27:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2024-11-12 17:27:33,624 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 16 [2024-11-12 17:27:33,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:33,625 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2024-11-12 17:27:33,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-12 17:27:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2024-11-12 17:27:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 17:27:33,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:33,626 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:33,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:27:33,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:33,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash 614488008, now seen corresponding path program 1 times [2024-11-12 17:27:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:33,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146193506] [2024-11-12 17:27:33,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:33,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:33,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400967675] [2024-11-12 17:27:33,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:33,665 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) [2024-11-12 17:27:33,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:27:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:33,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:27:33,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:33,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:27:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146193506] [2024-11-12 17:27:33,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400967675] [2024-11-12 17:27:33,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400967675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:33,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:33,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:27:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534163819] [2024-11-12 17:27:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:33,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:27:33,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:27:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:33,776 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:33,876 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2024-11-12 17:27:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:27:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-12 17:27:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:33,878 INFO L225 Difference]: With dead ends: 92 [2024-11-12 17:27:33,878 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 17:27:33,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:33,879 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 18 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:33,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 69 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 17:27:33,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-12 17:27:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 73 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2024-11-12 17:27:33,885 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 16 [2024-11-12 17:27:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:33,886 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2024-11-12 17:27:33,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-12 17:27:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 17:27:33,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:33,887 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:33,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 17:27:34,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:34,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:34,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:34,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1447673844, now seen corresponding path program 1 times [2024-11-12 17:27:34,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:34,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538193678] [2024-11-12 17:27:34,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:34,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:34,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912981982] [2024-11-12 17:27:34,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:34,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:34,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:34,114 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) [2024-11-12 17:27:34,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:27:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:27:34,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:34,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:27:34,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:34,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538193678] [2024-11-12 17:27:34,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:34,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912981982] [2024-11-12 17:27:34,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912981982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:34,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:34,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:27:34,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366725825] [2024-11-12 17:27:34,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:34,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:27:34,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:34,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:27:34,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:34,224 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:34,309 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2024-11-12 17:27:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:27:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-12 17:27:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:34,310 INFO L225 Difference]: With dead ends: 84 [2024-11-12 17:27:34,310 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 17:27:34,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:34,311 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:34,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 67 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:34,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 17:27:34,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-12 17:27:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-11-12 17:27:34,320 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 20 [2024-11-12 17:27:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:34,320 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-11-12 17:27:34,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-12 17:27:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 17:27:34,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:34,320 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:34,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:27:34,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-12 17:27:34,521 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:34,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1928216147, now seen corresponding path program 1 times [2024-11-12 17:27:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487881727] [2024-11-12 17:27:34,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:34,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:34,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487881727] [2024-11-12 17:27:34,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487881727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:34,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:34,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:27:34,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098999641] [2024-11-12 17:27:34,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:34,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:34,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:34,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:34,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:34,654 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:34,746 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2024-11-12 17:27:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:27:34,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-12 17:27:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:34,747 INFO L225 Difference]: With dead ends: 84 [2024-11-12 17:27:34,747 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 17:27:34,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:34,748 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:34,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 90 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:34,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 17:27:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-12 17:27:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 73 states have internal predecessors, (77), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-12 17:27:34,754 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 21 [2024-11-12 17:27:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:34,754 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-12 17:27:34,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:27:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-12 17:27:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-12 17:27:34,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:34,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:34,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:27:34,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:34,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash 797274018, now seen corresponding path program 1 times [2024-11-12 17:27:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:34,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702888563] [2024-11-12 17:27:34,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:34,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 17:27:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:34,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:34,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702888563] [2024-11-12 17:27:34,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702888563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:34,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:34,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:27:34,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838810998] [2024-11-12 17:27:34,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:34,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:27:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:34,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:27:34,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:34,813 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:34,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:34,826 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-12 17:27:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:27:34,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-12 17:27:34,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:34,827 INFO L225 Difference]: With dead ends: 82 [2024-11-12 17:27:34,828 INFO L226 Difference]: Without dead ends: 80 [2024-11-12 17:27:34,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:27:34,828 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:34,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:27:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-12 17:27:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-12 17:27:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 73 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2024-11-12 17:27:34,833 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 30 [2024-11-12 17:27:34,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:34,834 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2024-11-12 17:27:34,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2024-11-12 17:27:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 17:27:34,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:34,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:34,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:27:34,835 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:34,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:34,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1676114169, now seen corresponding path program 1 times [2024-11-12 17:27:34,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:34,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849500422] [2024-11-12 17:27:34,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:34,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 17:27:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:34,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:34,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849500422] [2024-11-12 17:27:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849500422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:34,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:34,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:27:34,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042963848] [2024-11-12 17:27:34,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:34,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:34,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:34,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:34,908 INFO L87 Difference]: Start difference. First operand 80 states and 83 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:27:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:36,040 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2024-11-12 17:27:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:27:36,040 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-11-12 17:27:36,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:36,041 INFO L225 Difference]: With dead ends: 80 [2024-11-12 17:27:36,041 INFO L226 Difference]: Without dead ends: 79 [2024-11-12 17:27:36,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:27:36,042 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 36 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:36,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 86 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:27:36,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-12 17:27:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-12 17:27:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 72 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2024-11-12 17:27:36,050 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 32 [2024-11-12 17:27:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:36,050 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2024-11-12 17:27:36,050 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:27:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2024-11-12 17:27:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:27:36,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:36,051 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:36,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:27:36,051 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:36,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash 419931781, now seen corresponding path program 1 times [2024-11-12 17:27:36,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601564411] [2024-11-12 17:27:36,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:36,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:36,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662069748] [2024-11-12 17:27:36,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:36,066 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) [2024-11-12 17:27:36,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:27:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:36,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:27:36,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:36,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:27:36,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:36,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601564411] [2024-11-12 17:27:36,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:36,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662069748] [2024-11-12 17:27:36,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662069748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:36,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:36,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:27:36,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648213611] [2024-11-12 17:27:36,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:36,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:36,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:36,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:36,177 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:36,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:36,261 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-12 17:27:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:27:36,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-12 17:27:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:36,262 INFO L225 Difference]: With dead ends: 84 [2024-11-12 17:27:36,262 INFO L226 Difference]: Without dead ends: 83 [2024-11-12 17:27:36,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:36,263 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:36,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 67 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:36,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-12 17:27:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-12 17:27:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 74 states have internal predecessors, (76), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions. [2024-11-12 17:27:36,270 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 33 [2024-11-12 17:27:36,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:36,270 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions. [2024-11-12 17:27:36,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2024-11-12 17:27:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-12 17:27:36,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:36,272 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:36,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 17:27:36,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:36,477 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:36,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash 132983419, now seen corresponding path program 1 times [2024-11-12 17:27:36,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:36,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192675327] [2024-11-12 17:27:36,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:36,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333854870] [2024-11-12 17:27:36,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:36,494 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) [2024-11-12 17:27:36,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:27:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:36,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:27:36,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:36,649 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:27:36,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:36,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192675327] [2024-11-12 17:27:36,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:36,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333854870] [2024-11-12 17:27:36,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333854870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:36,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:36,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:27:36,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818603597] [2024-11-12 17:27:36,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:36,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:36,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:36,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:36,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:36,651 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:36,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:36,797 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-12 17:27:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:27:36,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-12 17:27:36,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:36,798 INFO L225 Difference]: With dead ends: 86 [2024-11-12 17:27:36,799 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 17:27:36,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:36,799 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:36,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 80 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:36,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 17:27:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-12 17:27:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.4) internal successors, (77), 75 states have internal predecessors, (77), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2024-11-12 17:27:36,808 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 34 [2024-11-12 17:27:36,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:36,808 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2024-11-12 17:27:36,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2024-11-12 17:27:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 17:27:36,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:36,809 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:36,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:27:37,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:37,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:37,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:37,011 INFO L85 PathProgramCache]: Analyzing trace with hash -172481209, now seen corresponding path program 1 times [2024-11-12 17:27:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:37,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506803868] [2024-11-12 17:27:37,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:37,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 17:27:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:37,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:37,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506803868] [2024-11-12 17:27:37,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506803868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:37,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:27:37,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:27:37,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633735569] [2024-11-12 17:27:37,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:37,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:37,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:37,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:27:37,087 INFO L87 Difference]: Start difference. First operand 82 states and 85 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:38,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:27:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:38,403 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-12 17:27:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:27:38,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-12 17:27:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:38,404 INFO L225 Difference]: With dead ends: 82 [2024-11-12 17:27:38,404 INFO L226 Difference]: Without dead ends: 74 [2024-11-12 17:27:38,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:27:38,405 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 47 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:38,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 69 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 17:27:38,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-12 17:27:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-12 17:27:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 67 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:27:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-12 17:27:38,412 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 35 [2024-11-12 17:27:38,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:38,412 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-12 17:27:38,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-12 17:27:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:27:38,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:38,418 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:38,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:27:38,418 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:38,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:38,419 INFO L85 PathProgramCache]: Analyzing trace with hash -864067445, now seen corresponding path program 1 times [2024-11-12 17:27:38,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:38,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246736079] [2024-11-12 17:27:38,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:38,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:38,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748880135] [2024-11-12 17:27:38,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:38,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:38,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:38,440 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) [2024-11-12 17:27:38,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:27:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:38,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:27:38,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:27:38,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:27:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246736079] [2024-11-12 17:27:38,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:38,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748880135] [2024-11-12 17:27:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748880135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:27:38,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:27:38,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-12 17:27:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351349767] [2024-11-12 17:27:38,735 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:38,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:27:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:38,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:27:38,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:27:38,737 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:27:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:39,055 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2024-11-12 17:27:39,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:27:39,055 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), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-12 17:27:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:39,056 INFO L225 Difference]: With dead ends: 100 [2024-11-12 17:27:39,056 INFO L226 Difference]: Without dead ends: 99 [2024-11-12 17:27:39,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:27:39,057 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 49 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:39,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 134 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:27:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-12 17:27:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2024-11-12 17:27:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 87 states have internal predecessors, (103), 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) [2024-11-12 17:27:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 113 transitions. [2024-11-12 17:27:39,065 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 113 transitions. Word has length 37 [2024-11-12 17:27:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:39,065 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 113 transitions. [2024-11-12 17:27:39,065 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), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:27:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-11-12 17:27:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:27:39,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:39,066 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:39,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:27:39,266 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 [2024-11-12 17:27:39,267 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:39,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1440125075, now seen corresponding path program 1 times [2024-11-12 17:27:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:39,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981977006] [2024-11-12 17:27:39,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:39,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27081177] [2024-11-12 17:27:39,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:39,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:39,277 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) [2024-11-12 17:27:39,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:27:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:39,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:27:39,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:39,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:39,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:39,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981977006] [2024-11-12 17:27:39,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:39,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27081177] [2024-11-12 17:27:39,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27081177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:27:39,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:27:39,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-12 17:27:39,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924782640] [2024-11-12 17:27:39,596 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:39,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:39,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:39,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:39,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:27:39,598 INFO L87 Difference]: Start difference. First operand 95 states and 113 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:39,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:39,721 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2024-11-12 17:27:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:27:39,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-12 17:27:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:39,722 INFO L225 Difference]: With dead ends: 95 [2024-11-12 17:27:39,722 INFO L226 Difference]: Without dead ends: 91 [2024-11-12 17:27:39,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:27:39,723 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:39,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 72 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:27:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-12 17:27:39,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-12 17:27:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 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) [2024-11-12 17:27:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2024-11-12 17:27:39,731 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 39 [2024-11-12 17:27:39,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:39,731 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2024-11-12 17:27:39,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:27:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2024-11-12 17:27:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:27:39,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:39,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:39,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:27:39,935 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 [2024-11-12 17:27:39,935 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:39,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1694204316, now seen corresponding path program 1 times [2024-11-12 17:27:39,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:39,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287964435] [2024-11-12 17:27:39,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:39,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936871817] [2024-11-12 17:27:39,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:39,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:39,951 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) [2024-11-12 17:27:39,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:27:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:39,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:27:39,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:27:40,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:40,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:40,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287964435] [2024-11-12 17:27:40,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:40,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936871817] [2024-11-12 17:27:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936871817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:27:40,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:27:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:27:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846242203] [2024-11-12 17:27:40,227 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:40,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:27:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:27:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:27:40,229 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:27:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:40,411 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2024-11-12 17:27:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:27:40,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2024-11-12 17:27:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:40,412 INFO L225 Difference]: With dead ends: 99 [2024-11-12 17:27:40,413 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 17:27:40,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:27:40,413 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:40,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 90 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:27:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 17:27:40,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-12 17:27:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 85 states have internal predecessors, (95), 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) [2024-11-12 17:27:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2024-11-12 17:27:40,419 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 40 [2024-11-12 17:27:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:40,419 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2024-11-12 17:27:40,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:27:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2024-11-12 17:27:40,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 17:27:40,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:40,422 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:40,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:27:40,622 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 [2024-11-12 17:27:40,622 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:40,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash -980726193, now seen corresponding path program 1 times [2024-11-12 17:27:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:40,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619045264] [2024-11-12 17:27:40,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:40,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368398708] [2024-11-12 17:27:40,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:40,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:40,637 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) [2024-11-12 17:27:40,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:27:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:40,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:27:40,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:27:40,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:41,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:41,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619045264] [2024-11-12 17:27:41,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:41,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368398708] [2024-11-12 17:27:41,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368398708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:27:41,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:27:41,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-12 17:27:41,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831120368] [2024-11-12 17:27:41,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:41,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:27:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:41,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:27:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:27:41,399 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-12 17:27:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:42,577 INFO L93 Difference]: Finished difference Result 127 states and 151 transitions. [2024-11-12 17:27:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:27:42,578 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 41 [2024-11-12 17:27:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:42,578 INFO L225 Difference]: With dead ends: 127 [2024-11-12 17:27:42,578 INFO L226 Difference]: Without dead ends: 125 [2024-11-12 17:27:42,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:27:42,579 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 145 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:42,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 122 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:27:42,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-12 17:27:42,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 116. [2024-11-12 17:27:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 107 states have internal predecessors, (128), 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) [2024-11-12 17:27:42,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2024-11-12 17:27:42,584 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 41 [2024-11-12 17:27:42,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:42,584 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2024-11-12 17:27:42,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-12 17:27:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2024-11-12 17:27:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:27:42,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:42,585 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:42,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:27:42,785 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,SelfDestructingSolverStorable12 [2024-11-12 17:27:42,786 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:42,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:42,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1880031951, now seen corresponding path program 1 times [2024-11-12 17:27:42,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:42,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011897091] [2024-11-12 17:27:42,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:42,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921966010] [2024-11-12 17:27:42,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:42,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:42,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:42,796 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) [2024-11-12 17:27:42,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:27:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:42,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:27:42,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:42,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:27:43,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:43,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011897091] [2024-11-12 17:27:43,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:27:43,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921966010] [2024-11-12 17:27:43,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921966010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:27:43,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:27:43,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:27:43,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051185223] [2024-11-12 17:27:43,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:43,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:27:43,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:43,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:27:43,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:27:43,052 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:27:47,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:27:51,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:27:53,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:27:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:54,668 INFO L93 Difference]: Finished difference Result 121 states and 140 transitions. [2024-11-12 17:27:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:27:54,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2024-11-12 17:27:54,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:54,669 INFO L225 Difference]: With dead ends: 121 [2024-11-12 17:27:54,669 INFO L226 Difference]: Without dead ends: 117 [2024-11-12 17:27:54,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:27:54,670 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 34 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:54,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 133 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-12 17:27:54,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-12 17:27:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2024-11-12 17:27:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 106 states have internal predecessors, (121), 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) [2024-11-12 17:27:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2024-11-12 17:27:54,676 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 43 [2024-11-12 17:27:54,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:54,677 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2024-11-12 17:27:54,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:27:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2024-11-12 17:27:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-12 17:27:54,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:54,679 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:54,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:27:54,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 17:27:54,880 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:54,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1917174407, now seen corresponding path program 1 times [2024-11-12 17:27:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:54,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924358969] [2024-11-12 17:27:54,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:54,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:54,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 17:27:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:54,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:27:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:27:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924358969] [2024-11-12 17:27:54,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924358969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:27:54,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163366453] [2024-11-12 17:27:54,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:54,966 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) [2024-11-12 17:27:54,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:27:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:27:55,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:27:55,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:27:55,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163366453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:27:55,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:27:55,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:27:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092782108] [2024-11-12 17:27:55,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:27:55,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:27:55,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:55,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:27:55,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:27:55,034 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:27:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:55,048 INFO L93 Difference]: Finished difference Result 115 states and 133 transitions. [2024-11-12 17:27:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:27:55,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-12 17:27:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:55,049 INFO L225 Difference]: With dead ends: 115 [2024-11-12 17:27:55,049 INFO L226 Difference]: Without dead ends: 114 [2024-11-12 17:27:55,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:27:55,050 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 19 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:55,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:27:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-12 17:27:55,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-12 17:27:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 105 states have internal predecessors, (118), 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) [2024-11-12 17:27:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2024-11-12 17:27:55,055 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 53 [2024-11-12 17:27:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:55,055 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2024-11-12 17:27:55,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:27:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2024-11-12 17:27:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-12 17:27:55,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:55,055 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:55,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:27:55,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 17:27:55,260 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:55,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash -697135456, now seen corresponding path program 1 times [2024-11-12 17:27:55,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:55,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093429077] [2024-11-12 17:27:55,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:27:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:27:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 17:27:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:27:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:27:55,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:27:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093429077] [2024-11-12 17:27:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093429077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:27:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813130755] [2024-11-12 17:27:55,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:55,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:55,327 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:27:55,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:27:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:27:55,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:27:55,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:27:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:27:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813130755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:27:55,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:27:55,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:27:55,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710392883] [2024-11-12 17:27:55,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:27:55,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:27:55,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:27:55,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:27:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:27:55,448 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-12 17:27:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:27:55,472 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2024-11-12 17:27:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:27:55,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 54 [2024-11-12 17:27:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:27:55,473 INFO L225 Difference]: With dead ends: 118 [2024-11-12 17:27:55,473 INFO L226 Difference]: Without dead ends: 117 [2024-11-12 17:27:55,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:27:55,474 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 23 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:27:55,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 165 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:27:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-12 17:27:55,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2024-11-12 17:27:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 93 states have (on average 1.2365591397849462) internal successors, (115), 104 states have internal predecessors, (115), 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) [2024-11-12 17:27:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2024-11-12 17:27:55,481 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 54 [2024-11-12 17:27:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:27:55,481 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2024-11-12 17:27:55,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-12 17:27:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2024-11-12 17:27:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-12 17:27:55,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:27:55,482 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:27:55,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 17:27:55,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:27:55,683 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:27:55,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:27:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash 66465152, now seen corresponding path program 1 times [2024-11-12 17:27:55,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:27:55,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232996476] [2024-11-12 17:27:55,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:55,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:27:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:27:55,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636406492] [2024-11-12 17:27:55,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:27:55,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:27:55,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:27:55,695 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:27:55,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:27:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:27:55,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:27:55,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:27:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:27:55,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:28:00,068 WARN L873 $PredicateComparison]: unable to prove that (< (let ((.cse0 (mod (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296))) (+ .cse0 (* |c_ULTIMATE.start_main_~x~0#1| (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296) .cse0))) 9223372036854775807) is different from true [2024-11-12 17:28:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 11 not checked. [2024-11-12 17:28:36,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:28:36,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232996476] [2024-11-12 17:28:36,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:28:36,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636406492] [2024-11-12 17:28:36,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636406492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:28:36,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:28:36,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-12 17:28:36,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694260934] [2024-11-12 17:28:36,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:28:36,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:28:36,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:28:36,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:28:36,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2024-11-12 17:28:36,508 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:28:40,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:28:40,177 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2024-11-12 17:28:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:28:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 56 [2024-11-12 17:28:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:28:40,178 INFO L225 Difference]: With dead ends: 122 [2024-11-12 17:28:40,178 INFO L226 Difference]: Without dead ends: 120 [2024-11-12 17:28:40,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=43, Invalid=116, Unknown=1, NotChecked=22, Total=182 [2024-11-12 17:28:40,179 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 121 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:28:40,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 160 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 4 Unknown, 109 Unchecked, 3.6s Time] [2024-11-12 17:28:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-12 17:28:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2024-11-12 17:28:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 95 states have (on average 1.231578947368421) internal successors, (117), 106 states have internal predecessors, (117), 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) [2024-11-12 17:28:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2024-11-12 17:28:40,186 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 56 [2024-11-12 17:28:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:28:40,186 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2024-11-12 17:28:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:28:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2024-11-12 17:28:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-12 17:28:40,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:28:40,187 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:28:40,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:28:40,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:28:40,388 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:28:40,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:28:40,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2060419808, now seen corresponding path program 1 times [2024-11-12 17:28:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:28:40,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134089780] [2024-11-12 17:28:40,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:28:40,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:28:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:28:40,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975763088] [2024-11-12 17:28:40,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:28:40,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:28:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:28:40,408 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:28:40,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:28:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:28:40,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:28:40,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:28:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:28:45,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:28:52,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:28:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134089780] [2024-11-12 17:28:52,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:28:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975763088] [2024-11-12 17:28:52,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975763088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:28:52,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:28:52,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:28:52,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458039002] [2024-11-12 17:28:52,836 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:28:52,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:28:52,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:28:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:28:52,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=57, Unknown=1, NotChecked=0, Total=90 [2024-11-12 17:28:52,837 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:28:56,972 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] [2024-11-12 17:29:01,129 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] [2024-11-12 17:29:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:29:01,462 INFO L93 Difference]: Finished difference Result 115 states and 129 transitions. [2024-11-12 17:29:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:29:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2024-11-12 17:29:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:29:01,463 INFO L225 Difference]: With dead ends: 115 [2024-11-12 17:29:01,463 INFO L226 Difference]: Without dead ends: 109 [2024-11-12 17:29:01,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=49, Invalid=82, Unknown=1, NotChecked=0, Total=132 [2024-11-12 17:29:01,464 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:29:01,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 78 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2024-11-12 17:29:01,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-12 17:29:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-12 17:29:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.211111111111111) internal successors, (109), 100 states have internal predecessors, (109), 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) [2024-11-12 17:29:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2024-11-12 17:29:01,470 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 57 [2024-11-12 17:29:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:29:01,471 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2024-11-12 17:29:01,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 17:29:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2024-11-12 17:29:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:29:01,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:29:01,471 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:29:01,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:29:01,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:29:01,672 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:29:01,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:29:01,672 INFO L85 PathProgramCache]: Analyzing trace with hash -543541495, now seen corresponding path program 2 times [2024-11-12 17:29:01,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:29:01,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859909127] [2024-11-12 17:29:01,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:01,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:29:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:29:01,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352039152] [2024-11-12 17:29:01,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:29:01,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:01,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:29:01,692 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:29:01,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:29:01,741 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:29:01,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:29:01,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:29:01,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:29:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:29:01,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:29:02,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:29:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859909127] [2024-11-12 17:29:02,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:29:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352039152] [2024-11-12 17:29:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352039152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:29:02,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:29:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:29:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860122043] [2024-11-12 17:29:02,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:29:02,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:29:02,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:29:02,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:29:02,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:29:02,036 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:29:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:29:02,190 INFO L93 Difference]: Finished difference Result 112 states and 121 transitions. [2024-11-12 17:29:02,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:29:02,190 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 63 [2024-11-12 17:29:02,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:29:02,191 INFO L225 Difference]: With dead ends: 112 [2024-11-12 17:29:02,191 INFO L226 Difference]: Without dead ends: 109 [2024-11-12 17:29:02,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:29:02,192 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 47 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:29:02,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 94 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:29:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-12 17:29:02,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-12 17:29:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 100 states have internal predecessors, (106), 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) [2024-11-12 17:29:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2024-11-12 17:29:02,196 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 63 [2024-11-12 17:29:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:29:02,197 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2024-11-12 17:29:02,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:29:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2024-11-12 17:29:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 17:29:02,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:29:02,197 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:29:02,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 17:29:02,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:02,401 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:29:02,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:29:02,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1642635051, now seen corresponding path program 1 times [2024-11-12 17:29:02,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:29:02,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216116682] [2024-11-12 17:29:02,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:29:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:29:02,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805916400] [2024-11-12 17:29:02,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:02,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:29:02,412 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:29:02,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:29:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:29:02,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:29:02,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:29:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 17:29:02,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:29:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-12 17:29:02,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:29:02,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216116682] [2024-11-12 17:29:02,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:29:02,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805916400] [2024-11-12 17:29:02,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805916400] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:29:02,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:29:02,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2024-11-12 17:29:02,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596987769] [2024-11-12 17:29:02,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:29:02,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:29:02,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:29:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:29:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:29:02,987 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:29:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:29:03,376 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2024-11-12 17:29:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:29:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 65 [2024-11-12 17:29:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:29:03,377 INFO L225 Difference]: With dead ends: 109 [2024-11-12 17:29:03,377 INFO L226 Difference]: Without dead ends: 108 [2024-11-12 17:29:03,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:29:03,378 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:29:03,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 50 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:29:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-12 17:29:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-12 17:29:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 99 states have internal predecessors, (104), 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) [2024-11-12 17:29:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions. [2024-11-12 17:29:03,386 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 65 [2024-11-12 17:29:03,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:29:03,386 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 116 transitions. [2024-11-12 17:29:03,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:29:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2024-11-12 17:29:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-12 17:29:03,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:29:03,386 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:29:03,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:29:03,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:03,587 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:29:03,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:29:03,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1975679155, now seen corresponding path program 1 times [2024-11-12 17:29:03,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:29:03,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375840314] [2024-11-12 17:29:03,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:03,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:29:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:29:03,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398456916] [2024-11-12 17:29:03,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:29:03,602 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:29:03,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:29:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:29:03,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:29:03,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:29:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 17:29:03,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:29:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:29:04,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:29:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375840314] [2024-11-12 17:29:04,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:29:04,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398456916] [2024-11-12 17:29:04,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398456916] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:29:04,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:29:04,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-12 17:29:04,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15666124] [2024-11-12 17:29:04,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:29:04,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:29:04,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:29:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:29:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:29:04,114 INFO L87 Difference]: Start difference. First operand 108 states and 116 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:29:06,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:29:06,776 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2024-11-12 17:29:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:29:06,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2024-11-12 17:29:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:29:06,777 INFO L225 Difference]: With dead ends: 108 [2024-11-12 17:29:06,777 INFO L226 Difference]: Without dead ends: 107 [2024-11-12 17:29:06,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:29:06,778 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:29:06,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 81 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-12 17:29:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-12 17:29:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-12 17:29:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 98 states have internal predecessors, (102), 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) [2024-11-12 17:29:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 114 transitions. [2024-11-12 17:29:06,785 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 114 transitions. Word has length 67 [2024-11-12 17:29:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:29:06,785 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 114 transitions. [2024-11-12 17:29:06,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:29:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 114 transitions. [2024-11-12 17:29:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-12 17:29:06,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:29:06,785 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:29:06,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:29:06,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:06,986 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 17:29:06,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:29:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash -252121233, now seen corresponding path program 1 times [2024-11-12 17:29:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:29:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28956376] [2024-11-12 17:29:06,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:29:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:29:06,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332140127] [2024-11-12 17:29:06,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:29:06,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:29:06,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:29:07,000 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:29:07,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:29:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:29:07,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-12 17:29:07,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:29:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 17:29:07,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:29:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:29:07,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:29:07,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28956376] [2024-11-12 17:29:07,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:29:07,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332140127] [2024-11-12 17:29:07,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332140127] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:29:07,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:29:07,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-11-12 17:29:07,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760207257] [2024-11-12 17:29:07,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:29:07,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:29:07,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:29:07,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:29:07,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:29:07,587 INFO L87 Difference]: Start difference. First operand 107 states and 114 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:29:12,104 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 []