./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_valuebound100.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 eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:45:38,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:45:38,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:45:38,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:45:38,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:45:38,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:45:38,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:45:38,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:45:38,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:45:38,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:45:38,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:45:38,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:45:38,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:45:38,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:45:38,119 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:45:38,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:45:38,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:45:38,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:45:38,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:45:38,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:45:38,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:45:38,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:45:38,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:45:38,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:45:38,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:45:38,121 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:45:38,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:45:38,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:45:38,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:45:38,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:45:38,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:45:38,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:45:38,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:45:38,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:45:38,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:45:38,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:45:38,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:45:38,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:45:38,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:45:38,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 [2024-11-20 18:45:38,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:45:38,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:45:38,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:45:38,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:45:38,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:45:38,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_valuebound100.c [2024-11-20 18:45:39,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:45:39,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:45:39,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_valuebound100.c [2024-11-20 18:45:39,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e5df7d3/92f6aadd75064353a0adc711185214b0/FLAGefd78293f [2024-11-20 18:45:39,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e5df7d3/92f6aadd75064353a0adc711185214b0 [2024-11-20 18:45:39,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:45:39,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:45:39,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:45:39,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:45:39,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:45:39,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208e84dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39, skipping insertion in model container [2024-11-20 18:45:39,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:45:39,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:45:39,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:45:39,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:45:39,893 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:45:39,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39 WrapperNode [2024-11-20 18:45:39,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:45:39,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:45:39,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:45:39,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:45:39,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,918 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-20 18:45:39,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:45:39,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:45:39,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:45:39,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:45:39,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,948 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:45:39,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:45:39,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:45:39,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:45:39,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:45:39,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2024-11-20 18:45:39,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:45:39,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:39,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:45:39,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:45:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:45:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 18:45:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 18:45:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:45:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:45:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:45:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:45:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:45:40,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:45:40,075 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:45:40,292 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-20 18:45:40,293 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:45:40,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:45:40,307 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:45:40,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:40 BoogieIcfgContainer [2024-11-20 18:45:40,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:45:40,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:45:40,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:45:40,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:45:40,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:39" (1/3) ... [2024-11-20 18:45:40,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e706ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:40, skipping insertion in model container [2024-11-20 18:45:40,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (2/3) ... [2024-11-20 18:45:40,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e706ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:40, skipping insertion in model container [2024-11-20 18:45:40,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:40" (3/3) ... [2024-11-20 18:45:40,313 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2_valuebound100.c [2024-11-20 18:45:40,326 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:45:40,326 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-20 18:45:40,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:45:40,374 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;@13a55964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:45:40,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-20 18:45:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 78 states have internal predecessors, (83), 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) [2024-11-20 18:45:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 18:45:40,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:40,382 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:40,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:40,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:40,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1945269129, now seen corresponding path program 1 times [2024-11-20 18:45:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:40,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029078607] [2024-11-20 18:45:40,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:40,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [905746290] [2024-11-20 18:45:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:40,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:40,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:40,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:40,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:45:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:40,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:45:40,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:40,676 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:40,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029078607] [2024-11-20 18:45:40,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905746290] [2024-11-20 18:45:40,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905746290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:40,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:45:40,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:45:40,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909069424] [2024-11-20 18:45:40,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:40,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:45:40,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:40,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:45:40,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:45:40,794 INFO L87 Difference]: Start difference. First operand has 86 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 78 states have internal predecessors, (83), 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) Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-20 18:45:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:41,011 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2024-11-20 18:45:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:45:41,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 21 [2024-11-20 18:45:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:41,033 INFO L225 Difference]: With dead ends: 166 [2024-11-20 18:45:41,033 INFO L226 Difference]: Without dead ends: 77 [2024-11-20 18:45:41,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:45:41,038 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 80 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:41,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 109 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:45:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-20 18:45:41,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-20 18:45:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.6511627906976745) internal successors, (71), 70 states have internal predecessors, (71), 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) [2024-11-20 18:45:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 79 transitions. [2024-11-20 18:45:41,067 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 79 transitions. Word has length 21 [2024-11-20 18:45:41,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:41,068 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 79 transitions. [2024-11-20 18:45:41,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-20 18:45:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2024-11-20 18:45:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 18:45:41,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:41,069 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:41,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:45:41,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-20 18:45:41,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:41,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash -481060893, now seen corresponding path program 1 times [2024-11-20 18:45:41,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:41,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306098664] [2024-11-20 18:45:41,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334452653] [2024-11-20 18:45:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:41,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:41,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:41,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:45:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:41,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:45:41,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:41,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:41,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:41,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306098664] [2024-11-20 18:45:41,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:41,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334452653] [2024-11-20 18:45:41,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334452653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:41,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:45:41,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:45:41,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879911026] [2024-11-20 18:45:41,544 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:41,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:45:41,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:41,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:45:41,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:45:41,546 INFO L87 Difference]: Start difference. First operand 77 states and 79 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-20 18:45:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:41,710 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2024-11-20 18:45:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:45:41,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 24 [2024-11-20 18:45:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:41,711 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:45:41,711 INFO L226 Difference]: Without dead ends: 73 [2024-11-20 18:45:41,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:45:41,712 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 73 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:41,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 110 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-20 18:45:41,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-20 18:45:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.558139534883721) internal successors, (67), 66 states have internal predecessors, (67), 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) [2024-11-20 18:45:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2024-11-20 18:45:41,721 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 24 [2024-11-20 18:45:41,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:41,721 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2024-11-20 18:45:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-20 18:45:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2024-11-20 18:45:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 18:45:41,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:41,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:41,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:45:41,924 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,SelfDestructingSolverStorable1 [2024-11-20 18:45:41,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:41,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:41,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2027985740, now seen corresponding path program 1 times [2024-11-20 18:45:41,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:41,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687169667] [2024-11-20 18:45:41,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:41,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090408136] [2024-11-20 18:45:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:41,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:41,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:41,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:45:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:41,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:45:41,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:42,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:42,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:42,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687169667] [2024-11-20 18:45:42,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090408136] [2024-11-20 18:45:42,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090408136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:42,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:45:42,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:45:42,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754332073] [2024-11-20 18:45:42,324 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:42,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:45:42,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:42,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:45:42,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:45:42,325 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 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) [2024-11-20 18:45:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:42,506 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2024-11-20 18:45:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:45:42,507 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 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 25 [2024-11-20 18:45:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:42,508 INFO L225 Difference]: With dead ends: 112 [2024-11-20 18:45:42,509 INFO L226 Difference]: Without dead ends: 108 [2024-11-20 18:45:42,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:45:42,510 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 108 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:42,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 131 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:45:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-20 18:45:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 94. [2024-11-20 18:45:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 86 states have internal predecessors, (98), 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) [2024-11-20 18:45:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2024-11-20 18:45:42,523 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 25 [2024-11-20 18:45:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:42,526 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2024-11-20 18:45:42,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 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) [2024-11-20 18:45:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2024-11-20 18:45:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 18:45:42,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:42,527 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:42,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:45:42,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:42,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:42,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:42,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1556951557, now seen corresponding path program 1 times [2024-11-20 18:45:42,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:42,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211422672] [2024-11-20 18:45:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:42,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:42,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55123734] [2024-11-20 18:45:42,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:42,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:42,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:42,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:45:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:42,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:45:42,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:42,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:43,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:43,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211422672] [2024-11-20 18:45:43,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:43,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55123734] [2024-11-20 18:45:43,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55123734] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:45:43,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:45:43,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-20 18:45:43,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936273150] [2024-11-20 18:45:43,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:43,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:45:43,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:43,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:45:43,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:45:43,134 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:45:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:43,435 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2024-11-20 18:45:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:45:43,436 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 26 [2024-11-20 18:45:43,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:43,437 INFO L225 Difference]: With dead ends: 108 [2024-11-20 18:45:43,437 INFO L226 Difference]: Without dead ends: 106 [2024-11-20 18:45:43,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:45:43,438 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 268 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:43,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 138 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:45:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-20 18:45:43,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 92. [2024-11-20 18:45:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 63 states have (on average 1.507936507936508) internal successors, (95), 84 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) [2024-11-20 18:45:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2024-11-20 18:45:43,444 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 26 [2024-11-20 18:45:43,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:43,444 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2024-11-20 18:45:43,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:45:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-20 18:45:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:45:43,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:43,445 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:43,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:45:43,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:43,646 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1020858070, now seen corresponding path program 1 times [2024-11-20 18:45:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049053649] [2024-11-20 18:45:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:45:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:45:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:43,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:45:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:43,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049053649] [2024-11-20 18:45:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049053649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412478746] [2024-11-20 18:45:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:43,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:43,864 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:43,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:45:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:43,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:45:43,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:43,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:49,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412478746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:49,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:45:49,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-20 18:45:49,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429289961] [2024-11-20 18:45:49,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:49,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:45:49,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:49,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:45:49,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=82, Unknown=2, NotChecked=0, Total=110 [2024-11-20 18:45:49,988 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:45:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:50,241 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2024-11-20 18:45:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:45:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2024-11-20 18:45:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:50,243 INFO L225 Difference]: With dead ends: 107 [2024-11-20 18:45:50,243 INFO L226 Difference]: Without dead ends: 105 [2024-11-20 18:45:50,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=50, Invalid=130, Unknown=2, NotChecked=0, Total=182 [2024-11-20 18:45:50,244 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 165 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:50,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 174 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:45:50,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-20 18:45:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 91. [2024-11-20 18:45:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 83 states have internal predecessors, (93), 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) [2024-11-20 18:45:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2024-11-20 18:45:50,253 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 27 [2024-11-20 18:45:50,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:50,253 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2024-11-20 18:45:50,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:45:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2024-11-20 18:45:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:45:50,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:50,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:50,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:45:50,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:50,459 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:50,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1581829159, now seen corresponding path program 1 times [2024-11-20 18:45:50,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379835916] [2024-11-20 18:45:50,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:50,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:45:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:45:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:45:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:50,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:50,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379835916] [2024-11-20 18:45:50,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379835916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:50,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:50,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:50,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751982658] [2024-11-20 18:45:50,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:50,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:50,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:50,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:50,515 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 18:45:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:50,625 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2024-11-20 18:45:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:45:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 28 [2024-11-20 18:45:50,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:50,627 INFO L225 Difference]: With dead ends: 106 [2024-11-20 18:45:50,627 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 18:45:50,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:45:50,628 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 87 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:50,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 91 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:50,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 18:45:50,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 90. [2024-11-20 18:45:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 82 states have internal predecessors, (91), 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) [2024-11-20 18:45:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 101 transitions. [2024-11-20 18:45:50,635 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 101 transitions. Word has length 28 [2024-11-20 18:45:50,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:50,635 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 101 transitions. [2024-11-20 18:45:50,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 18:45:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2024-11-20 18:45:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 18:45:50,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:50,636 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:50,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:45:50,637 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:50,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:50,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1792063736, now seen corresponding path program 1 times [2024-11-20 18:45:50,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:50,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806297481] [2024-11-20 18:45:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:45:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:45:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:45:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:50,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:50,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806297481] [2024-11-20 18:45:50,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806297481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:50,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:50,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:50,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473491557] [2024-11-20 18:45:50,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:50,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:50,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:50,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:50,686 INFO L87 Difference]: Start difference. First operand 90 states and 101 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-20 18:45:50,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:50,834 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2024-11-20 18:45:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:45:50,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 29 [2024-11-20 18:45:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:50,835 INFO L225 Difference]: With dead ends: 105 [2024-11-20 18:45:50,835 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 18:45:50,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:45:50,836 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 84 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:50,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 92 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:50,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 18:45:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 89. [2024-11-20 18:45:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 81 states have internal predecessors, (89), 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) [2024-11-20 18:45:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2024-11-20 18:45:50,841 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 29 [2024-11-20 18:45:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:50,841 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2024-11-20 18:45:50,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-20 18:45:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2024-11-20 18:45:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 18:45:50,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:50,842 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:50,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:45:50,842 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:50,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:50,842 INFO L85 PathProgramCache]: Analyzing trace with hash -280598967, now seen corresponding path program 1 times [2024-11-20 18:45:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:50,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97854075] [2024-11-20 18:45:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:50,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750954159] [2024-11-20 18:45:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:50,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:50,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:50,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:50,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:45:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:50,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:45:50,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:50,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:45:50,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:50,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97854075] [2024-11-20 18:45:50,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:50,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750954159] [2024-11-20 18:45:50,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750954159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:50,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:50,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:45:50,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230429562] [2024-11-20 18:45:50,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:50,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:45:50,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:50,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:45:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:45:50,987 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-20 18:45:51,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:51,129 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2024-11-20 18:45:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:45:51,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 30 [2024-11-20 18:45:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:51,130 INFO L225 Difference]: With dead ends: 103 [2024-11-20 18:45:51,130 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 18:45:51,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:45:51,130 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 56 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:51,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 107 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 18:45:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 94. [2024-11-20 18:45:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 86 states have internal predecessors, (93), 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) [2024-11-20 18:45:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2024-11-20 18:45:51,135 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 30 [2024-11-20 18:45:51,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:51,136 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2024-11-20 18:45:51,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-20 18:45:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2024-11-20 18:45:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:45:51,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:51,136 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:51,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:45:51,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:51,337 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:51,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:51,338 INFO L85 PathProgramCache]: Analyzing trace with hash -108633318, now seen corresponding path program 1 times [2024-11-20 18:45:51,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:51,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621186628] [2024-11-20 18:45:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:51,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:51,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025119426] [2024-11-20 18:45:51,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:51,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:51,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:51,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:51,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:45:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:51,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:45:51,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:52,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:45:52,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621186628] [2024-11-20 18:45:52,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025119426] [2024-11-20 18:45:52,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025119426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:52,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:52,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:52,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372428219] [2024-11-20 18:45:52,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:52,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:52,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:52,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:52,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-20 18:45:52,575 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 18:45:56,580 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] [2024-11-20 18:45:57,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:45:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:57,784 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2024-11-20 18:45:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:45:57,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 31 [2024-11-20 18:45:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:57,785 INFO L225 Difference]: With dead ends: 103 [2024-11-20 18:45:57,785 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 18:45:57,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-20 18:45:57,786 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 46 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:57,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 102 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2024-11-20 18:45:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 18:45:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2024-11-20 18:45:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 87 states have internal predecessors, (93), 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) [2024-11-20 18:45:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2024-11-20 18:45:57,794 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 31 [2024-11-20 18:45:57,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:57,795 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2024-11-20 18:45:57,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 18:45:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2024-11-20 18:45:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:45:57,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:57,795 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:57,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:45:58,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:58,001 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash 927334507, now seen corresponding path program 1 times [2024-11-20 18:45:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:58,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273305455] [2024-11-20 18:45:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:58,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096419687] [2024-11-20 18:45:58,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:58,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:58,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:58,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:45:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:45:58,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:58,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:45:58,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:58,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273305455] [2024-11-20 18:45:58,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:58,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096419687] [2024-11-20 18:45:58,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096419687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:58,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:58,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:58,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073988954] [2024-11-20 18:45:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:58,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:58,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:58,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:58,107 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 18:45:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:58,245 INFO L93 Difference]: Finished difference Result 103 states and 106 transitions. [2024-11-20 18:45:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:45:58,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 [2024-11-20 18:45:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:58,247 INFO L225 Difference]: With dead ends: 103 [2024-11-20 18:45:58,247 INFO L226 Difference]: Without dead ends: 89 [2024-11-20 18:45:58,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:58,247 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:58,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 91 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:58,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-20 18:45:58,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-20 18:45:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 79 states have internal predecessors, (82), 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) [2024-11-20 18:45:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-20 18:45:58,252 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 32 [2024-11-20 18:45:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:58,252 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-20 18:45:58,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 18:45:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-20 18:45:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:45:58,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:58,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:58,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:45:58,457 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,SelfDestructingSolverStorable9 [2024-11-20 18:45:58,458 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:58,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash -735236629, now seen corresponding path program 1 times [2024-11-20 18:45:58,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:58,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063694737] [2024-11-20 18:45:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:45:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:45:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:45:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:45:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:58,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:58,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063694737] [2024-11-20 18:45:58,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063694737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:58,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:58,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:45:58,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017087535] [2024-11-20 18:45:58,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:58,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:45:58,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:58,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:45:58,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:45:58,506 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:58,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:58,518 INFO L93 Difference]: Finished difference Result 89 states and 92 transitions. [2024-11-20 18:45:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:45:58,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-20 18:45:58,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:58,519 INFO L225 Difference]: With dead ends: 89 [2024-11-20 18:45:58,519 INFO L226 Difference]: Without dead ends: 87 [2024-11-20 18:45:58,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:45:58,520 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:58,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:45:58,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-20 18:45:58,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-20 18:45:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 79 states have internal predecessors, (80), 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) [2024-11-20 18:45:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2024-11-20 18:45:58,525 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 40 [2024-11-20 18:45:58,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:58,525 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2024-11-20 18:45:58,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2024-11-20 18:45:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:45:58,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:58,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:58,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 18:45:58,526 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:58,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash -719196143, now seen corresponding path program 1 times [2024-11-20 18:45:58,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:58,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599757395] [2024-11-20 18:45:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:58,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540690625] [2024-11-20 18:45:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:58,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:58,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:45:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:45:58,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:58,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:45:58,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599757395] [2024-11-20 18:45:58,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540690625] [2024-11-20 18:45:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540690625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:58,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:58,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:58,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981793998] [2024-11-20 18:45:58,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:58,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:58,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:58,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:58,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:58,634 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:58,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:58,745 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2024-11-20 18:45:58,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:45:58,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-20 18:45:58,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:58,746 INFO L225 Difference]: With dead ends: 90 [2024-11-20 18:45:58,746 INFO L226 Difference]: Without dead ends: 89 [2024-11-20 18:45:58,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:58,747 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:58,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 63 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:58,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-20 18:45:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-20 18:45:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 80 states have internal predecessors, (81), 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) [2024-11-20 18:45:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2024-11-20 18:45:58,751 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 46 [2024-11-20 18:45:58,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:58,751 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2024-11-20 18:45:58,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2024-11-20 18:45:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 18:45:58,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:58,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:58,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 18:45:58,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:58,952 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:58,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash -820243860, now seen corresponding path program 1 times [2024-11-20 18:45:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:58,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210115253] [2024-11-20 18:45:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033310953] [2024-11-20 18:45:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:58,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:58,963 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:58,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:45:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:58,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:45:58,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:45:59,051 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:45:59,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:59,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210115253] [2024-11-20 18:45:59,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:59,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033310953] [2024-11-20 18:45:59,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033310953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:45:59,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:45:59,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:45:59,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141261655] [2024-11-20 18:45:59,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:45:59,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:45:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:45:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:59,053 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:59,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:45:59,139 INFO L93 Difference]: Finished difference Result 90 states and 93 transitions. [2024-11-20 18:45:59,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:45:59,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-20 18:45:59,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:45:59,140 INFO L225 Difference]: With dead ends: 90 [2024-11-20 18:45:59,140 INFO L226 Difference]: Without dead ends: 89 [2024-11-20 18:45:59,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:45:59,140 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 37 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:45:59,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 52 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:45:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-20 18:45:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-20 18:45:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 81 states have internal predecessors, (82), 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) [2024-11-20 18:45:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 92 transitions. [2024-11-20 18:45:59,145 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 92 transitions. Word has length 47 [2024-11-20 18:45:59,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:45:59,145 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 92 transitions. [2024-11-20 18:45:59,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:45:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 92 transitions. [2024-11-20 18:45:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-20 18:45:59,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:45:59,146 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:45:59,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 18:45:59,346 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,SelfDestructingSolverStorable12 [2024-11-20 18:45:59,347 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:45:59,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:45:59,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1815835607, now seen corresponding path program 1 times [2024-11-20 18:45:59,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:45:59,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408157421] [2024-11-20 18:45:59,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:59,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:45:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:45:59,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21232504] [2024-11-20 18:45:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:45:59,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:45:59,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:45:59,356 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:45:59,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:45:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:45:59,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 18:45:59,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:45:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:45:59,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:45:59,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:45:59,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408157421] [2024-11-20 18:45:59,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:45:59,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21232504] [2024-11-20 18:45:59,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21232504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:45:59,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:45:59,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:45:59,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900299135] [2024-11-20 18:45:59,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:45:59,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:45:59,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:45:59,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:45:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:45:59,915 INFO L87 Difference]: Start difference. First operand 89 states and 92 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-11-20 18:46:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:00,959 INFO L93 Difference]: Finished difference Result 131 states and 139 transitions. [2024-11-20 18:46:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:46:00,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 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 50 [2024-11-20 18:46:00,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:00,960 INFO L225 Difference]: With dead ends: 131 [2024-11-20 18:46:00,960 INFO L226 Difference]: Without dead ends: 124 [2024-11-20 18:46:00,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:46:00,961 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 104 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:00,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 179 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 280 Invalid, 2 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 18:46:00,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-20 18:46:00,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2024-11-20 18:46:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 101 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) [2024-11-20 18:46:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2024-11-20 18:46:00,968 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 50 [2024-11-20 18:46:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:00,969 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2024-11-20 18:46:00,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-11-20 18:46:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2024-11-20 18:46:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 18:46:00,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:00,970 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:00,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:46:01,171 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,SelfDestructingSolverStorable13 [2024-11-20 18:46:01,171 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:01,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:01,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1449697268, now seen corresponding path program 1 times [2024-11-20 18:46:01,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:01,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17386933] [2024-11-20 18:46:01,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:01,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:01,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086816777] [2024-11-20 18:46:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:01,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:01,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:01,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:46:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:01,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:46:01,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:46:01,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:01,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:01,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17386933] [2024-11-20 18:46:01,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:01,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086816777] [2024-11-20 18:46:01,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086816777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:01,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:01,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-20 18:46:01,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551500525] [2024-11-20 18:46:01,884 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:01,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:46:01,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:01,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:46:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:46:01,885 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:46:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:02,566 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2024-11-20 18:46:02,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:46:02,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 55 [2024-11-20 18:46:02,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:02,568 INFO L225 Difference]: With dead ends: 125 [2024-11-20 18:46:02,568 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 18:46:02,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:46:02,568 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 185 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:02,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 178 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:46:02,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 18:46:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2024-11-20 18:46:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 107 states have internal predecessors, (114), 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) [2024-11-20 18:46:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2024-11-20 18:46:02,574 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 55 [2024-11-20 18:46:02,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:02,574 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2024-11-20 18:46:02,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:46:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2024-11-20 18:46:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-20 18:46:02,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:02,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:02,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-20 18:46:02,775 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,SelfDestructingSolverStorable14 [2024-11-20 18:46:02,775 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:02,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:02,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1990942415, now seen corresponding path program 1 times [2024-11-20 18:46:02,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:02,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333842424] [2024-11-20 18:46:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:02,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950560474] [2024-11-20 18:46:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:02,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:02,785 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:02,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:46:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:02,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 18:46:02,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:46:03,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:04,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:04,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333842424] [2024-11-20 18:46:04,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:04,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950560474] [2024-11-20 18:46:04,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950560474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:04,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:04,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-20 18:46:04,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44563284] [2024-11-20 18:46:04,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:04,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:46:04,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:04,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:46:04,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:46:04,660 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:46:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:05,083 INFO L93 Difference]: Finished difference Result 127 states and 135 transitions. [2024-11-20 18:46:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:46:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2024-11-20 18:46:05,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:05,085 INFO L225 Difference]: With dead ends: 127 [2024-11-20 18:46:05,085 INFO L226 Difference]: Without dead ends: 124 [2024-11-20 18:46:05,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:46:05,085 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 73 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:05,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 220 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:46:05,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-20 18:46:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-11-20 18:46:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.2637362637362637) internal successors, (115), 109 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) [2024-11-20 18:46:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 127 transitions. [2024-11-20 18:46:05,090 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 127 transitions. Word has length 56 [2024-11-20 18:46:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:05,091 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 127 transitions. [2024-11-20 18:46:05,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:46:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2024-11-20 18:46:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-20 18:46:05,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:05,091 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:05,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:46:05,291 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,SelfDestructingSolverStorable15 [2024-11-20 18:46:05,292 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:05,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:05,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1589672790, now seen corresponding path program 1 times [2024-11-20 18:46:05,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:05,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506516130] [2024-11-20 18:46:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:05,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694037799] [2024-11-20 18:46:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:05,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:05,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:05,307 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:05,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:46:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:05,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:46:05,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:05,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:05,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:05,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506516130] [2024-11-20 18:46:05,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:05,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694037799] [2024-11-20 18:46:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694037799] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:05,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-20 18:46:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630757594] [2024-11-20 18:46:05,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:05,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:46:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:46:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:46:05,634 INFO L87 Difference]: Start difference. First operand 118 states and 127 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:46:05,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:05,998 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2024-11-20 18:46:05,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:46:05,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2024-11-20 18:46:05,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:05,999 INFO L225 Difference]: With dead ends: 118 [2024-11-20 18:46:05,999 INFO L226 Difference]: Without dead ends: 116 [2024-11-20 18:46:05,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:46:05,999 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 31 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:05,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 155 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:46:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-20 18:46:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-20 18:46:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 107 states have internal predecessors, (112), 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) [2024-11-20 18:46:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 124 transitions. [2024-11-20 18:46:06,004 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 124 transitions. Word has length 57 [2024-11-20 18:46:06,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:06,005 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 124 transitions. [2024-11-20 18:46:06,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:46:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2024-11-20 18:46:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-20 18:46:06,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:06,005 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:06,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:46:06,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:06,206 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:06,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2035216305, now seen corresponding path program 1 times [2024-11-20 18:46:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:06,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622602925] [2024-11-20 18:46:06,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:06,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623911826] [2024-11-20 18:46:06,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:06,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:06,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:06,219 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) [2024-11-20 18:46:06,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:46:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:06,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:46:06,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:06,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:06,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:06,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622602925] [2024-11-20 18:46:06,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:06,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623911826] [2024-11-20 18:46:06,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623911826] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:06,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-20 18:46:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989681301] [2024-11-20 18:46:06,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:06,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:46:06,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:06,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:46:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:46:06,665 INFO L87 Difference]: Start difference. First operand 116 states and 124 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:46:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:07,279 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2024-11-20 18:46:07,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:46:07,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2024-11-20 18:46:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:07,280 INFO L225 Difference]: With dead ends: 116 [2024-11-20 18:46:07,280 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 18:46:07,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:46:07,280 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 30 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:07,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 124 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:46:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 18:46:07,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-20 18:46:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 81 states have (on average 1.2098765432098766) internal successors, (98), 95 states have internal predecessors, (98), 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) [2024-11-20 18:46:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2024-11-20 18:46:07,285 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 58 [2024-11-20 18:46:07,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:07,285 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2024-11-20 18:46:07,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:46:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2024-11-20 18:46:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-20 18:46:07,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:07,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:07,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:07,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:46:07,491 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:07,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:07,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1721791018, now seen corresponding path program 1 times [2024-11-20 18:46:07,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:07,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346673135] [2024-11-20 18:46:07,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:07,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:46:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:46:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:46:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:46:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:46:07,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346673135] [2024-11-20 18:46:07,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346673135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667319818] [2024-11-20 18:46:07,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:07,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:07,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:07,559 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) [2024-11-20 18:46:07,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:46:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:07,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:46:07,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667319818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:07,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:07,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 18:46:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943665008] [2024-11-20 18:46:07,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:07,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:07,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:07,640 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:46:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:07,656 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2024-11-20 18:46:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:07,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2024-11-20 18:46:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:07,657 INFO L225 Difference]: With dead ends: 104 [2024-11-20 18:46:07,657 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 18:46:07,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:07,658 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 21 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:07,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 18:46:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-20 18:46:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 94 states have internal predecessors, (96), 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) [2024-11-20 18:46:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-11-20 18:46:07,664 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 65 [2024-11-20 18:46:07,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:07,664 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-11-20 18:46:07,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:46:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-11-20 18:46:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 18:46:07,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:07,665 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:07,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:46:07,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:07,866 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:07,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1835913925, now seen corresponding path program 1 times [2024-11-20 18:46:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:07,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430601896] [2024-11-20 18:46:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:46:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:46:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:46:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:46:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:46:07,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:07,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430601896] [2024-11-20 18:46:07,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430601896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181970424] [2024-11-20 18:46:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:07,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:07,930 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) [2024-11-20 18:46:07,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:46:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:07,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:07,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:46:07,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:46:08,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181970424] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:08,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:08,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 18:46:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355040421] [2024-11-20 18:46:08,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:46:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:46:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:46:08,043 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 18:46:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:08,071 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2024-11-20 18:46:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:46:08,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 66 [2024-11-20 18:46:08,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:08,072 INFO L225 Difference]: With dead ends: 156 [2024-11-20 18:46:08,072 INFO L226 Difference]: Without dead ends: 155 [2024-11-20 18:46:08,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:46:08,073 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 28 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:08,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 243 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-20 18:46:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 139. [2024-11-20 18:46:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 128 states have internal predecessors, (147), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:46:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2024-11-20 18:46:08,079 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 66 [2024-11-20 18:46:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:08,079 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2024-11-20 18:46:08,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 18:46:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2024-11-20 18:46:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-20 18:46:08,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:08,080 INFO L215 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:08,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-20 18:46:08,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:08,280 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:08,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:08,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1900264876, now seen corresponding path program 2 times [2024-11-20 18:46:08,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:08,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844231645] [2024-11-20 18:46:08,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:08,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945161408] [2024-11-20 18:46:08,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:46:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:08,292 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:08,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:46:08,339 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:46:08,339 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:46:08,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 18:46:08,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-20 18:46:08,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:11,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:11,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844231645] [2024-11-20 18:46:11,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:11,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945161408] [2024-11-20 18:46:11,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945161408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:11,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:11,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-20 18:46:11,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855541186] [2024-11-20 18:46:11,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:11,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:46:11,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:11,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:46:11,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:46:11,609 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:11,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:11,959 INFO L93 Difference]: Finished difference Result 158 states and 173 transitions. [2024-11-20 18:46:11,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:46:11,959 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 75 [2024-11-20 18:46:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:11,960 INFO L225 Difference]: With dead ends: 158 [2024-11-20 18:46:11,960 INFO L226 Difference]: Without dead ends: 151 [2024-11-20 18:46:11,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:46:11,961 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 166 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:11,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 235 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:46:11,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-20 18:46:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 141. [2024-11-20 18:46:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 117 states have (on average 1.2222222222222223) internal successors, (143), 130 states have internal predecessors, (143), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:46:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 159 transitions. [2024-11-20 18:46:11,968 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 159 transitions. Word has length 75 [2024-11-20 18:46:11,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:11,968 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 159 transitions. [2024-11-20 18:46:11,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 13 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 159 transitions. [2024-11-20 18:46:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 18:46:11,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:11,969 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2024-11-20 18:46:11,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:12,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:12,173 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:12,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2033388713, now seen corresponding path program 2 times [2024-11-20 18:46:12,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:12,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505249427] [2024-11-20 18:46:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952413004] [2024-11-20 18:46:12,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:46:12,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:12,190 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:12,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:46:12,226 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:46:12,226 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:46:12,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:46:12,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-20 18:46:12,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:12,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:12,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505249427] [2024-11-20 18:46:12,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:12,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952413004] [2024-11-20 18:46:12,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952413004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:12,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:12,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:46:12,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819099650] [2024-11-20 18:46:12,932 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:12,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:46:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:12,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:46:12,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:46:12,933 INFO L87 Difference]: Start difference. First operand 141 states and 159 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:13,147 INFO L93 Difference]: Finished difference Result 141 states and 159 transitions. [2024-11-20 18:46:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:46:13,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 80 [2024-11-20 18:46:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:13,148 INFO L225 Difference]: With dead ends: 141 [2024-11-20 18:46:13,149 INFO L226 Difference]: Without dead ends: 138 [2024-11-20 18:46:13,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:46:13,149 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 109 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:13,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 112 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:46:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-20 18:46:13,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-20 18:46:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 117 states have (on average 1.170940170940171) internal successors, (137), 127 states have internal predecessors, (137), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:46:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 153 transitions. [2024-11-20 18:46:13,156 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 153 transitions. Word has length 80 [2024-11-20 18:46:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:13,156 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 153 transitions. [2024-11-20 18:46:13,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 153 transitions. [2024-11-20 18:46:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 18:46:13,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:13,157 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:13,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-20 18:46:13,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:13,358 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:13,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:13,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1389459270, now seen corresponding path program 2 times [2024-11-20 18:46:13,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580480426] [2024-11-20 18:46:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:13,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943464322] [2024-11-20 18:46:13,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:46:13,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:13,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:13,376 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:13,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:46:13,425 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:46:13,425 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:46:13,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 18:46:13,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 18:46:14,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:14,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:14,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580480426] [2024-11-20 18:46:14,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:14,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943464322] [2024-11-20 18:46:14,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943464322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:14,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:14,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-20 18:46:14,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254154267] [2024-11-20 18:46:14,384 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:14,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:46:14,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:14,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:46:14,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:46:14,385 INFO L87 Difference]: Start difference. First operand 138 states and 153 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:15,322 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2024-11-20 18:46:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:46:15,322 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 81 [2024-11-20 18:46:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:15,323 INFO L225 Difference]: With dead ends: 147 [2024-11-20 18:46:15,323 INFO L226 Difference]: Without dead ends: 136 [2024-11-20 18:46:15,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:46:15,323 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 158 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:15,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 188 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:46:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-20 18:46:15,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-20 18:46:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 125 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:46:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 148 transitions. [2024-11-20 18:46:15,331 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 148 transitions. Word has length 81 [2024-11-20 18:46:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:15,331 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 148 transitions. [2024-11-20 18:46:15,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 148 transitions. [2024-11-20 18:46:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 18:46:15,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:15,332 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:15,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:15,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-20 18:46:15,532 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:46:15,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:15,533 INFO L85 PathProgramCache]: Analyzing trace with hash -667008375, now seen corresponding path program 3 times [2024-11-20 18:46:15,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:15,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315881318] [2024-11-20 18:46:15,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:15,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:15,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375604638] [2024-11-20 18:46:15,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:46:15,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:15,546 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:46:15,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:46:15,853 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-20 18:46:15,853 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:46:15,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-20 18:46:15,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-20 18:46:20,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:20,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:20,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315881318] [2024-11-20 18:46:20,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:20,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375604638] [2024-11-20 18:46:20,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375604638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:20,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:20,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-20 18:46:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062718713] [2024-11-20 18:46:20,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:20,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:46:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:46:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=230, Unknown=1, NotChecked=0, Total=306 [2024-11-20 18:46:20,888 INFO L87 Difference]: Start difference. First operand 136 states and 148 transitions. Second operand has 15 states, 14 states have (on average 5.642857142857143) internal successors, (79), 15 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:46:23,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:27,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:31,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:35,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:39,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:43,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:47,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:51,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:54,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:46:58,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:47:02,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:47:02,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:02,560 INFO L93 Difference]: Finished difference Result 156 states and 165 transitions. [2024-11-20 18:47:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:47:02,560 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.642857142857143) internal successors, (79), 15 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 100 [2024-11-20 18:47:02,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:02,561 INFO L225 Difference]: With dead ends: 156 [2024-11-20 18:47:02,561 INFO L226 Difference]: Without dead ends: 152 [2024-11-20 18:47:02,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=104, Invalid=315, Unknown=1, NotChecked=0, Total=420 [2024-11-20 18:47:02,562 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 135 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 9 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:02,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 236 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 700 Invalid, 10 Unknown, 0 Unchecked, 41.6s Time] [2024-11-20 18:47:02,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-20 18:47:02,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 142. [2024-11-20 18:47:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 121 states have (on average 1.1322314049586777) internal successors, (137), 131 states have internal predecessors, (137), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:47:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2024-11-20 18:47:02,571 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 100 [2024-11-20 18:47:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:02,571 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2024-11-20 18:47:02,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.642857142857143) internal successors, (79), 15 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:47:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2024-11-20 18:47:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 18:47:02,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:02,573 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:02,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:02,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-20 18:47:02,775 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:47:02,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:02,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1044919445, now seen corresponding path program 1 times [2024-11-20 18:47:02,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:02,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633933100] [2024-11-20 18:47:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:02,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:02,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999407402] [2024-11-20 18:47:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:02,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:02,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:02,797 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:02,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:47:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:02,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 18:47:02,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 17 proven. 73 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:47:03,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:03,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:03,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633933100] [2024-11-20 18:47:03,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:03,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999407402] [2024-11-20 18:47:03,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999407402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:03,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:03,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-20 18:47:03,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57707197] [2024-11-20 18:47:03,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:03,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:47:03,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:03,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:47:03,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:47:03,948 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:47:08,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:47:13,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:47:18,653 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] [2024-11-20 18:47:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:19,105 INFO L93 Difference]: Finished difference Result 144 states and 155 transitions. [2024-11-20 18:47:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:47:19,106 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 102 [2024-11-20 18:47:19,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:19,106 INFO L225 Difference]: With dead ends: 144 [2024-11-20 18:47:19,106 INFO L226 Difference]: Without dead ends: 140 [2024-11-20 18:47:19,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:47:19,107 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 85 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:19,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 185 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 603 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-20 18:47:19,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-20 18:47:19,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2024-11-20 18:47:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 119 states have (on average 1.084033613445378) internal successors, (129), 125 states have internal predecessors, (129), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:47:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2024-11-20 18:47:19,115 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 102 [2024-11-20 18:47:19,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:19,115 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2024-11-20 18:47:19,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:47:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2024-11-20 18:47:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 18:47:19,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:19,116 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:19,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-20 18:47:19,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:19,316 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:47:19,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1967235634, now seen corresponding path program 1 times [2024-11-20 18:47:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:19,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481897265] [2024-11-20 18:47:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:19,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:47:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 18:47:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:47:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:47:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 18:47:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-20 18:47:19,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:19,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481897265] [2024-11-20 18:47:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481897265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:19,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508320027] [2024-11-20 18:47:19,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:19,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:19,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:19,480 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:19,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:47:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:19,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:47:19,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-20 18:47:19,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-20 18:47:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508320027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:19,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:19,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-20 18:47:19,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508447057] [2024-11-20 18:47:19,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:19,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:47:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:47:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:47:19,787 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:47:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:19,854 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2024-11-20 18:47:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:47:19,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 103 [2024-11-20 18:47:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:19,855 INFO L225 Difference]: With dead ends: 136 [2024-11-20 18:47:19,855 INFO L226 Difference]: Without dead ends: 135 [2024-11-20 18:47:19,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:47:19,856 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 61 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:19,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 82 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:47:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-20 18:47:19,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-20 18:47:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 119 states have (on average 1.0672268907563025) internal successors, (127), 124 states have internal predecessors, (127), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:47:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2024-11-20 18:47:19,863 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 103 [2024-11-20 18:47:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:19,864 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2024-11-20 18:47:19,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:47:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2024-11-20 18:47:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 18:47:19,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:19,864 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:19,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-20 18:47:20,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:20,065 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-20 18:47:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1088081199, now seen corresponding path program 3 times [2024-11-20 18:47:20,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:20,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178108787] [2024-11-20 18:47:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:20,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306765317] [2024-11-20 18:47:20,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:47:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:20,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:20,078 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:20,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-20 18:47:20,200 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 18:47:20,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:20,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-20 18:47:20,203 INFO L278 TraceCheckSpWp]: Computing forward predicates...