./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_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 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:07:47,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:07:47,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:07:47,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:07:47,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:07:47,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:07:47,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:07:47,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:07:47,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:07:47,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:07:47,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:07:47,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:07:47,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:07:47,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:07:47,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:07:47,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:07:47,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:07:47,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:07:47,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:07:47,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:07:47,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:07:47,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:07:47,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:07:47,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:07:47,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:07:47,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:07:47,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:07:47,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:07:47,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:07:47,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:07:47,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:07:47,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:07:47,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:07:47,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:07:47,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:07:47,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:07:47,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:07:47,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:07:47,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:07:47,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:07:47,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:07:47,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:07:47,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:07:47,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:07:47,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 [2024-11-09 12:07:47,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:07:47,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:07:47,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:07:47,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:07:47,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:07:47,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-11-09 12:07:48,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:07:48,865 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:07:48,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-11-09 12:07:48,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192b72e37/61a3389783fb427789e1750c22af1498/FLAG5a698a598 [2024-11-09 12:07:48,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192b72e37/61a3389783fb427789e1750c22af1498 [2024-11-09 12:07:48,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:07:48,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:07:48,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:07:48,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:07:48,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:07:48,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:48" (1/1) ... [2024-11-09 12:07:48,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27170cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:48, skipping insertion in model container [2024-11-09 12:07:48,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:48" (1/1) ... [2024-11-09 12:07:48,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:07:49,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:07:49,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:07:49,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:07:49,165 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:07:49,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49 WrapperNode [2024-11-09 12:07:49,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:07:49,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:07:49,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:07:49,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:07:49,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,217 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-11-09 12:07:49,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:07:49,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:07:49,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:07:49,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:07:49,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,258 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:07:49,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:07:49,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:07:49,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:07:49,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:07:49,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (1/1) ... [2024-11-09 12:07:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:07:49,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:49,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:07:49,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:07:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:07:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 12:07:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 12:07:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:07:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:07:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:07:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:07:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:07:49,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:07:49,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:07:49,843 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 12:07:49,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:07:49,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:07:49,868 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:07:49,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:49 BoogieIcfgContainer [2024-11-09 12:07:49,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:07:49,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:07:49,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:07:49,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:07:49,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:07:48" (1/3) ... [2024-11-09 12:07:49,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209b09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:07:49, skipping insertion in model container [2024-11-09 12:07:49,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:49" (2/3) ... [2024-11-09 12:07:49,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209b09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:07:49, skipping insertion in model container [2024-11-09 12:07:49,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:49" (3/3) ... [2024-11-09 12:07:49,880 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound100.c [2024-11-09 12:07:49,895 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:07:49,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-11-09 12:07:49,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:07:49,973 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;@7f8283e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:07:49,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-09 12:07:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 100 states have (on average 1.89) internal successors, (189), 184 states have internal predecessors, (189), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 12:07:49,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:49,987 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:49,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:49,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:49,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1552832064, now seen corresponding path program 1 times [2024-11-09 12:07:50,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:50,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937425831] [2024-11-09 12:07:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:50,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:50,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:50,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937425831] [2024-11-09 12:07:50,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937425831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:50,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:50,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:50,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288082560] [2024-11-09 12:07:50,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:50,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:07:50,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:07:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:07:50,155 INFO L87 Difference]: Start difference. First operand has 192 states, 100 states have (on average 1.89) internal successors, (189), 184 states have internal predecessors, (189), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:50,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:50,186 INFO L93 Difference]: Finished difference Result 367 states and 398 transitions. [2024-11-09 12:07:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:07:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-09 12:07:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:50,195 INFO L225 Difference]: With dead ends: 367 [2024-11-09 12:07:50,195 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 12:07:50,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:07:50,203 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:50,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 12:07:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 12:07:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 95 states have (on average 1.7473684210526317) internal successors, (166), 165 states have internal predecessors, (166), 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) [2024-11-09 12:07:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-09 12:07:50,262 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 15 [2024-11-09 12:07:50,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:50,262 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-09 12:07:50,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:07:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-09 12:07:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 12:07:50,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:50,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:50,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:07:50,264 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:50,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash -794512385, now seen corresponding path program 1 times [2024-11-09 12:07:50,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:50,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913609945] [2024-11-09 12:07:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:50,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913609945] [2024-11-09 12:07:50,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913609945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:50,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:50,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911274695] [2024-11-09 12:07:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:50,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:07:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:07:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:50,344 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:50,673 INFO L93 Difference]: Finished difference Result 309 states and 321 transitions. [2024-11-09 12:07:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-09 12:07:50,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:50,676 INFO L225 Difference]: With dead ends: 309 [2024-11-09 12:07:50,676 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 12:07:50,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:50,677 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:50,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 127 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:50,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 12:07:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 247. [2024-11-09 12:07:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 169 states have (on average 1.5029585798816567) internal successors, (254), 239 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 264 transitions. [2024-11-09 12:07:50,695 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 264 transitions. Word has length 15 [2024-11-09 12:07:50,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:50,696 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 264 transitions. [2024-11-09 12:07:50,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 264 transitions. [2024-11-09 12:07:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:07:50,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:50,698 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:50,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:07:50,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:50,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:50,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1381401701, now seen corresponding path program 1 times [2024-11-09 12:07:50,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:50,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989775967] [2024-11-09 12:07:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:50,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989775967] [2024-11-09 12:07:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989775967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:50,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:50,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203885004] [2024-11-09 12:07:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:50,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:07:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:07:50,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:50,880 INFO L87 Difference]: Start difference. First operand 247 states and 264 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:50,942 INFO L93 Difference]: Finished difference Result 266 states and 278 transitions. [2024-11-09 12:07:50,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:50,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-09 12:07:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:50,945 INFO L225 Difference]: With dead ends: 266 [2024-11-09 12:07:50,945 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 12:07:50,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:50,948 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 58 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:50,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 296 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:07:50,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 12:07:50,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 254. [2024-11-09 12:07:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4829545454545454) internal successors, (261), 246 states have internal predecessors, (261), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 271 transitions. [2024-11-09 12:07:50,966 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 271 transitions. Word has length 43 [2024-11-09 12:07:50,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:50,967 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 271 transitions. [2024-11-09 12:07:50,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2024-11-09 12:07:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 12:07:50,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:50,968 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:50,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:07:50,968 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:50,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:50,969 INFO L85 PathProgramCache]: Analyzing trace with hash -382136867, now seen corresponding path program 1 times [2024-11-09 12:07:50,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271301035] [2024-11-09 12:07:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271301035] [2024-11-09 12:07:51,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271301035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:51,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:51,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:51,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100313616] [2024-11-09 12:07:51,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:51,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:51,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:51,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:51,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:51,101 INFO L87 Difference]: Start difference. First operand 254 states and 271 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:51,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:51,415 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2024-11-09 12:07:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:51,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2024-11-09 12:07:51,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:51,417 INFO L225 Difference]: With dead ends: 265 [2024-11-09 12:07:51,418 INFO L226 Difference]: Without dead ends: 260 [2024-11-09 12:07:51,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:51,420 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:51,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 255 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:51,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-09 12:07:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 254. [2024-11-09 12:07:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4545454545454546) internal successors, (256), 246 states have internal predecessors, (256), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 266 transitions. [2024-11-09 12:07:51,442 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 266 transitions. Word has length 45 [2024-11-09 12:07:51,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:51,443 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 266 transitions. [2024-11-09 12:07:51,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 266 transitions. [2024-11-09 12:07:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 12:07:51,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:51,444 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:51,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:07:51,445 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:51,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:51,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1038659119, now seen corresponding path program 1 times [2024-11-09 12:07:51,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:51,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501346585] [2024-11-09 12:07:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:51,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:51,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:51,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501346585] [2024-11-09 12:07:51,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501346585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:51,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:51,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:51,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109955682] [2024-11-09 12:07:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:51,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:51,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:51,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:51,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:51,559 INFO L87 Difference]: Start difference. First operand 254 states and 266 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:51,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:51,697 INFO L93 Difference]: Finished difference Result 264 states and 268 transitions. [2024-11-09 12:07:51,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:51,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-09 12:07:51,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:51,698 INFO L225 Difference]: With dead ends: 264 [2024-11-09 12:07:51,699 INFO L226 Difference]: Without dead ends: 226 [2024-11-09 12:07:51,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:51,700 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 125 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:51,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 246 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:07:51,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-09 12:07:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2024-11-09 12:07:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5352112676056338) internal successors, (218), 212 states have internal predecessors, (218), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 228 transitions. [2024-11-09 12:07:51,707 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 228 transitions. Word has length 46 [2024-11-09 12:07:51,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:51,707 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 228 transitions. [2024-11-09 12:07:51,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:07:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 228 transitions. [2024-11-09 12:07:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 12:07:51,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:51,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:51,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:07:51,709 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:51,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:51,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2035500068, now seen corresponding path program 1 times [2024-11-09 12:07:51,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:51,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080375903] [2024-11-09 12:07:51,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:51,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:07:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:51,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:51,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080375903] [2024-11-09 12:07:51,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080375903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:51,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:51,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:51,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511746809] [2024-11-09 12:07:51,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:51,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:07:51,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:51,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:07:51,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:51,804 INFO L87 Difference]: Start difference. First operand 220 states and 228 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:51,818 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2024-11-09 12:07:51,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:51,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-09 12:07:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:51,819 INFO L225 Difference]: With dead ends: 222 [2024-11-09 12:07:51,820 INFO L226 Difference]: Without dead ends: 220 [2024-11-09 12:07:51,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:51,821 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:51,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 337 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-09 12:07:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-09 12:07:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 212 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:07:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2024-11-09 12:07:51,827 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 55 [2024-11-09 12:07:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:51,829 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2024-11-09 12:07:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2024-11-09 12:07:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 12:07:51,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:51,830 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:51,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:07:51,830 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:51,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1567344674, now seen corresponding path program 1 times [2024-11-09 12:07:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625580610] [2024-11-09 12:07:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:51,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479364626] [2024-11-09 12:07:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:51,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:51,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:07:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:51,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:07:51,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:51,992 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:51,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:51,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625580610] [2024-11-09 12:07:51,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:51,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479364626] [2024-11-09 12:07:51,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479364626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:51,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:51,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:51,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521341666] [2024-11-09 12:07:51,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:51,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:51,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:51,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:51,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:51,995 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:52,292 INFO L93 Difference]: Finished difference Result 359 states and 375 transitions. [2024-11-09 12:07:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:52,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2024-11-09 12:07:52,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:52,295 INFO L225 Difference]: With dead ends: 359 [2024-11-09 12:07:52,296 INFO L226 Difference]: Without dead ends: 305 [2024-11-09 12:07:52,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:52,299 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 90 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:52,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:07:52,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-09 12:07:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2024-11-09 12:07:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.4018264840182648) internal successors, (307), 289 states have internal predecessors, (307), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 321 transitions. [2024-11-09 12:07:52,314 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 321 transitions. Word has length 60 [2024-11-09 12:07:52,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:52,314 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 321 transitions. [2024-11-09 12:07:52,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 321 transitions. [2024-11-09 12:07:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:07:52,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:52,316 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:52,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:07:52,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:52,520 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:52,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:52,521 INFO L85 PathProgramCache]: Analyzing trace with hash 787058728, now seen corresponding path program 1 times [2024-11-09 12:07:52,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:52,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297072836] [2024-11-09 12:07:52,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:52,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:07:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:07:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:07:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:52,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:52,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297072836] [2024-11-09 12:07:52,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297072836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:52,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:52,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:07:52,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281467242] [2024-11-09 12:07:52,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:52,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:07:52,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:52,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:07:52,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:52,615 INFO L87 Difference]: Start difference. First operand 299 states and 321 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:52,835 INFO L93 Difference]: Finished difference Result 300 states and 321 transitions. [2024-11-09 12:07:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:07:52,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2024-11-09 12:07:52,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:52,837 INFO L225 Difference]: With dead ends: 300 [2024-11-09 12:07:52,837 INFO L226 Difference]: Without dead ends: 299 [2024-11-09 12:07:52,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:07:52,838 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 39 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:52,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 302 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:07:52,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-09 12:07:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-09 12:07:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.3972602739726028) internal successors, (306), 289 states have internal predecessors, (306), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 320 transitions. [2024-11-09 12:07:52,855 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 320 transitions. Word has length 66 [2024-11-09 12:07:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:52,855 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 320 transitions. [2024-11-09 12:07:52,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 320 transitions. [2024-11-09 12:07:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 12:07:52,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:52,859 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:52,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:07:52,859 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:52,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:52,860 INFO L85 PathProgramCache]: Analyzing trace with hash 668996806, now seen corresponding path program 1 times [2024-11-09 12:07:52,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:52,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417013676] [2024-11-09 12:07:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:52,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483664584] [2024-11-09 12:07:52,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:52,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:52,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:52,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:52,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:07:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:52,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:07:52,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 12:07:53,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:07:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:53,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417013676] [2024-11-09 12:07:53,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:53,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483664584] [2024-11-09 12:07:53,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483664584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:07:53,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:07:53,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:07:53,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298718635] [2024-11-09 12:07:53,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:53,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:07:53,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:53,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:07:53,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:53,107 INFO L87 Difference]: Start difference. First operand 299 states and 320 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:53,154 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2024-11-09 12:07:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:07:53,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-11-09 12:07:53,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:53,155 INFO L225 Difference]: With dead ends: 299 [2024-11-09 12:07:53,156 INFO L226 Difference]: Without dead ends: 296 [2024-11-09 12:07:53,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:07:53,156 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:53,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 159 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:07:53,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-09 12:07:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-09 12:07:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 219 states have (on average 1.3744292237442923) internal successors, (301), 286 states have internal predecessors, (301), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 315 transitions. [2024-11-09 12:07:53,170 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 315 transitions. Word has length 96 [2024-11-09 12:07:53,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:53,171 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 315 transitions. [2024-11-09 12:07:53,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:07:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 315 transitions. [2024-11-09 12:07:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 12:07:53,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:53,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:53,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:07:53,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 12:07:53,376 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash -735935390, now seen corresponding path program 1 times [2024-11-09 12:07:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:53,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971259767] [2024-11-09 12:07:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:53,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184525407] [2024-11-09 12:07:53,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:53,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:53,396 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:53,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:07:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:53,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:07:53,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:53,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:53,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:53,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971259767] [2024-11-09 12:07:53,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:53,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184525407] [2024-11-09 12:07:53,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184525407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:07:53,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:07:53,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:07:53,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163588775] [2024-11-09 12:07:53,860 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:07:53,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:07:53,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:07:53,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:07:53,861 INFO L87 Difference]: Start difference. First operand 296 states and 315 transitions. Second operand has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:07:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:07:54,467 INFO L93 Difference]: Finished difference Result 368 states and 383 transitions. [2024-11-09 12:07:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:07:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 97 [2024-11-09 12:07:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:07:54,469 INFO L225 Difference]: With dead ends: 368 [2024-11-09 12:07:54,469 INFO L226 Difference]: Without dead ends: 361 [2024-11-09 12:07:54,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:07:54,470 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 286 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:07:54,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 305 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:07:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-09 12:07:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 334. [2024-11-09 12:07:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 258 states have (on average 1.3953488372093024) internal successors, (360), 324 states have internal predecessors, (360), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:07:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 374 transitions. [2024-11-09 12:07:54,478 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 374 transitions. Word has length 97 [2024-11-09 12:07:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:07:54,478 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 374 transitions. [2024-11-09 12:07:54,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:07:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 374 transitions. [2024-11-09 12:07:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 12:07:54,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:07:54,480 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:07:54,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:07:54,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:54,684 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:07:54,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:07:54,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1339160504, now seen corresponding path program 1 times [2024-11-09 12:07:54,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:07:54,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264950364] [2024-11-09 12:07:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:07:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:07:54,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104901132] [2024-11-09 12:07:54,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:07:54,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:07:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:07:54,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:07:54,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:07:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:07:54,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 12:07:54,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:07:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:54,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:07:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:07:55,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:07:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264950364] [2024-11-09 12:07:55,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:07:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104901132] [2024-11-09 12:07:55,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104901132] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:07:55,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:07:55,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-09 12:07:55,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368928137] [2024-11-09 12:07:55,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:07:55,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:07:55,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:07:55,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:07:55,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:07:55,730 INFO L87 Difference]: Start difference. First operand 334 states and 374 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:00,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:04,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:08,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:10,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:12,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:17,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:21,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:23,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:31,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:34,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:36,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:38,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:38,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:38,979 INFO L93 Difference]: Finished difference Result 334 states and 374 transitions. [2024-11-09 12:08:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:08:38,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-09 12:08:38,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:38,982 INFO L225 Difference]: With dead ends: 334 [2024-11-09 12:08:38,982 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 12:08:38,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:38,982 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 147 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 8 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:38,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 84 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 478 Invalid, 7 Unknown, 0 Unchecked, 43.2s Time] [2024-11-09 12:08:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 12:08:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2024-11-09 12:08:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 258 states have (on average 1.37984496124031) internal successors, (356), 322 states have internal predecessors, (356), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:08:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 370 transitions. [2024-11-09 12:08:39,002 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 370 transitions. Word has length 98 [2024-11-09 12:08:39,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:39,003 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 370 transitions. [2024-11-09 12:08:39,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 370 transitions. [2024-11-09 12:08:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 12:08:39,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:39,004 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:39,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:08:39,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:39,206 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:39,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1435697444, now seen corresponding path program 1 times [2024-11-09 12:08:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708328738] [2024-11-09 12:08:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:39,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200442070] [2024-11-09 12:08:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:39,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:39,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:08:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:39,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:08:39,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:39,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:39,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708328738] [2024-11-09 12:08:39,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:39,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200442070] [2024-11-09 12:08:39,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200442070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:39,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:39,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:08:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261301804] [2024-11-09 12:08:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:39,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:08:39,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:39,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:08:39,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:39,401 INFO L87 Difference]: Start difference. First operand 332 states and 370 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:39,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:39,648 INFO L93 Difference]: Finished difference Result 332 states and 370 transitions. [2024-11-09 12:08:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:08:39,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2024-11-09 12:08:39,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:39,650 INFO L225 Difference]: With dead ends: 332 [2024-11-09 12:08:39,650 INFO L226 Difference]: Without dead ends: 312 [2024-11-09 12:08:39,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:39,651 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 161 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:39,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 61 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:08:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-09 12:08:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-11-09 12:08:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 258 states have (on average 1.2635658914728682) internal successors, (326), 302 states have internal predecessors, (326), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:08:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 340 transitions. [2024-11-09 12:08:39,661 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 340 transitions. Word has length 99 [2024-11-09 12:08:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:39,661 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 340 transitions. [2024-11-09 12:08:39,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 340 transitions. [2024-11-09 12:08:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 12:08:39,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:39,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:39,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:39,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 12:08:39,863 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:39,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1556947914, now seen corresponding path program 1 times [2024-11-09 12:08:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:39,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427514495] [2024-11-09 12:08:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:39,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:39,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494822458] [2024-11-09 12:08:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:39,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:39,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:39,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:39,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:08:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:39,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:08:39,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:40,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 12:08:40,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427514495] [2024-11-09 12:08:40,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494822458] [2024-11-09 12:08:40,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494822458] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:40,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:40,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 12:08:40,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313957036] [2024-11-09 12:08:40,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:40,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:40,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:40,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:40,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:40,356 INFO L87 Difference]: Start difference. First operand 312 states and 340 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:41,807 INFO L93 Difference]: Finished difference Result 312 states and 340 transitions. [2024-11-09 12:08:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:41,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 100 [2024-11-09 12:08:41,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:41,809 INFO L225 Difference]: With dead ends: 312 [2024-11-09 12:08:41,809 INFO L226 Difference]: Without dead ends: 310 [2024-11-09 12:08:41,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:41,810 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:41,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 44 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 12:08:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-09 12:08:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-09 12:08:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 258 states have (on average 1.248062015503876) internal successors, (322), 300 states have internal predecessors, (322), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:08:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 336 transitions. [2024-11-09 12:08:41,821 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 336 transitions. Word has length 100 [2024-11-09 12:08:41,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:41,821 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 336 transitions. [2024-11-09 12:08:41,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 336 transitions. [2024-11-09 12:08:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 12:08:41,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:41,822 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:41,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:08:42,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:42,023 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:42,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1094194041, now seen corresponding path program 1 times [2024-11-09 12:08:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:42,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201063192] [2024-11-09 12:08:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:08:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:08:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:08:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 12:08:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:42,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201063192] [2024-11-09 12:08:42,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201063192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667020431] [2024-11-09 12:08:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:42,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:42,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:08:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:08:42,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:42,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:42,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667020431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:42,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:42,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:08:42,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751216544] [2024-11-09 12:08:42,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:42,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:42,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:42,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:42,291 INFO L87 Difference]: Start difference. First operand 310 states and 336 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:08:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:42,311 INFO L93 Difference]: Finished difference Result 310 states and 336 transitions. [2024-11-09 12:08:42,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:42,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 108 [2024-11-09 12:08:42,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:42,313 INFO L225 Difference]: With dead ends: 310 [2024-11-09 12:08:42,313 INFO L226 Difference]: Without dead ends: 309 [2024-11-09 12:08:42,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:42,314 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 49 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 281 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 [2024-11-09 12:08:42,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-09 12:08:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-09 12:08:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 258 states have (on average 1.2403100775193798) internal successors, (320), 299 states have internal predecessors, (320), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:08:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 334 transitions. [2024-11-09 12:08:42,324 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 334 transitions. Word has length 108 [2024-11-09 12:08:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:42,324 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 334 transitions. [2024-11-09 12:08:42,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:08:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 334 transitions. [2024-11-09 12:08:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 12:08:42,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:42,325 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:42,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:08:42,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:42,530 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:42,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:42,530 INFO L85 PathProgramCache]: Analyzing trace with hash 439723219, now seen corresponding path program 1 times [2024-11-09 12:08:42,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:42,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818743134] [2024-11-09 12:08:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:08:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:08:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:08:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 12:08:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:42,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818743134] [2024-11-09 12:08:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818743134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108476925] [2024-11-09 12:08:42,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:42,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:42,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:42,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:42,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:08:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:42,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:08:42,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:42,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:42,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108476925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:42,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:08:42,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:08:42,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586345965] [2024-11-09 12:08:42,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:42,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:08:42,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:08:42,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:42,856 INFO L87 Difference]: Start difference. First operand 309 states and 334 transitions. Second operand has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-09 12:08:42,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:42,896 INFO L93 Difference]: Finished difference Result 408 states and 421 transitions. [2024-11-09 12:08:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:08:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 109 [2024-11-09 12:08:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:42,898 INFO L225 Difference]: With dead ends: 408 [2024-11-09 12:08:42,898 INFO L226 Difference]: Without dead ends: 407 [2024-11-09 12:08:42,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:42,900 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 51 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:42,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 615 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-09 12:08:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 366. [2024-11-09 12:08:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 313 states have (on average 1.2779552715654952) internal successors, (400), 354 states have internal predecessors, (400), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 418 transitions. [2024-11-09 12:08:42,912 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 418 transitions. Word has length 109 [2024-11-09 12:08:42,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:42,912 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 418 transitions. [2024-11-09 12:08:42,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-09 12:08:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 418 transitions. [2024-11-09 12:08:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 12:08:42,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:42,913 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:42,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:08:43,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:08:43,114 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:43,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:43,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1686198049, now seen corresponding path program 1 times [2024-11-09 12:08:43,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:43,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383363014] [2024-11-09 12:08:43,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:43,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:08:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:08:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:08:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 12:08:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 12:08:43,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383363014] [2024-11-09 12:08:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383363014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:43,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439077444] [2024-11-09 12:08:43,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:43,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:43,205 INFO L87 Difference]: Start difference. First operand 366 states and 418 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-09 12:08:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:43,337 INFO L93 Difference]: Finished difference Result 366 states and 418 transitions. [2024-11-09 12:08:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:08:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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 121 [2024-11-09 12:08:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:43,338 INFO L225 Difference]: With dead ends: 366 [2024-11-09 12:08:43,339 INFO L226 Difference]: Without dead ends: 359 [2024-11-09 12:08:43,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:43,340 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:43,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 54 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:08:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-09 12:08:43,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-09 12:08:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 313 states have (on average 1.233226837060703) internal successors, (386), 347 states have internal predecessors, (386), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 404 transitions. [2024-11-09 12:08:43,351 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 404 transitions. Word has length 121 [2024-11-09 12:08:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:43,352 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 404 transitions. [2024-11-09 12:08:43,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-09 12:08:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 404 transitions. [2024-11-09 12:08:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 12:08:43,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:43,353 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:43,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 12:08:43,353 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:43,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:43,353 INFO L85 PathProgramCache]: Analyzing trace with hash -732531919, now seen corresponding path program 1 times [2024-11-09 12:08:43,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:43,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325541451] [2024-11-09 12:08:43,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:43,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:08:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:08:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:08:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 12:08:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 12:08:43,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:43,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325541451] [2024-11-09 12:08:43,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325541451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:43,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068442728] [2024-11-09 12:08:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:43,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:43,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:43,412 INFO L87 Difference]: Start difference. First operand 359 states and 404 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-09 12:08:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:43,521 INFO L93 Difference]: Finished difference Result 359 states and 404 transitions. [2024-11-09 12:08:43,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:43,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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 122 [2024-11-09 12:08:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:43,523 INFO L225 Difference]: With dead ends: 359 [2024-11-09 12:08:43,523 INFO L226 Difference]: Without dead ends: 358 [2024-11-09 12:08:43,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:43,524 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 108 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:43,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 41 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:08:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-09 12:08:43,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-11-09 12:08:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 346 states have internal predecessors, (383), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2024-11-09 12:08:43,535 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 122 [2024-11-09 12:08:43,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:43,535 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2024-11-09 12:08:43,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-09 12:08:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2024-11-09 12:08:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 12:08:43,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:43,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:43,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 12:08:43,536 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:43,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash 411463987, now seen corresponding path program 1 times [2024-11-09 12:08:43,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:43,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771032502] [2024-11-09 12:08:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:43,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809370787] [2024-11-09 12:08:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:43,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:43,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:08:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:43,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:08:43,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:43,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:08:43,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771032502] [2024-11-09 12:08:43,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809370787] [2024-11-09 12:08:43,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809370787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:43,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:43,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:08:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981087417] [2024-11-09 12:08:43,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:43,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:08:43,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:43,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:08:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:43,866 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 12:08:44,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:44,285 INFO L93 Difference]: Finished difference Result 419 states and 454 transitions. [2024-11-09 12:08:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:08:44,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 124 [2024-11-09 12:08:44,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:44,287 INFO L225 Difference]: With dead ends: 419 [2024-11-09 12:08:44,287 INFO L226 Difference]: Without dead ends: 389 [2024-11-09 12:08:44,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:44,288 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 381 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:44,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 151 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:08:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-09 12:08:44,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 342. [2024-11-09 12:08:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 302 states have (on average 1.1655629139072847) internal successors, (352), 331 states have internal predecessors, (352), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 368 transitions. [2024-11-09 12:08:44,300 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 368 transitions. Word has length 124 [2024-11-09 12:08:44,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:44,300 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 368 transitions. [2024-11-09 12:08:44,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 12:08:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 368 transitions. [2024-11-09 12:08:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 12:08:44,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:44,301 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:44,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:44,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:08:44,502 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:44,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -930619238, now seen corresponding path program 1 times [2024-11-09 12:08:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:44,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044119942] [2024-11-09 12:08:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95212245] [2024-11-09 12:08:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:44,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:44,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:08:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:44,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:08:44,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:44,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:45,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:45,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044119942] [2024-11-09 12:08:45,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:45,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95212245] [2024-11-09 12:08:45,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95212245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:45,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:45,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 12:08:45,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389250095] [2024-11-09 12:08:45,053 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:45,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:08:45,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:45,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:08:45,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:45,054 INFO L87 Difference]: Start difference. First operand 342 states and 368 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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) [2024-11-09 12:08:45,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:45,266 INFO L93 Difference]: Finished difference Result 342 states and 368 transitions. [2024-11-09 12:08:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:08:45,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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 147 [2024-11-09 12:08:45,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:45,268 INFO L225 Difference]: With dead ends: 342 [2024-11-09 12:08:45,268 INFO L226 Difference]: Without dead ends: 328 [2024-11-09 12:08:45,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:45,268 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 19 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:45,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:08:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-09 12:08:45,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 325. [2024-11-09 12:08:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0969899665551839) internal successors, (328), 314 states have internal predecessors, (328), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 344 transitions. [2024-11-09 12:08:45,282 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 344 transitions. Word has length 147 [2024-11-09 12:08:45,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:45,282 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 344 transitions. [2024-11-09 12:08:45,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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) [2024-11-09 12:08:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 344 transitions. [2024-11-09 12:08:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 12:08:45,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:45,285 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:45,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:08:45,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:45,486 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:45,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:45,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1215574912, now seen corresponding path program 1 times [2024-11-09 12:08:45,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:45,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063706972] [2024-11-09 12:08:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:45,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:45,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640963254] [2024-11-09 12:08:45,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:45,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:45,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:45,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:45,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:08:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:45,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:08:45,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:45,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:46,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:46,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063706972] [2024-11-09 12:08:46,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:46,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640963254] [2024-11-09 12:08:46,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640963254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:46,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:46,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:08:46,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347937593] [2024-11-09 12:08:46,400 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:46,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:08:46,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:08:46,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:46,401 INFO L87 Difference]: Start difference. First operand 325 states and 344 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:08:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:46,645 INFO L93 Difference]: Finished difference Result 363 states and 382 transitions. [2024-11-09 12:08:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:08:46,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 148 [2024-11-09 12:08:46,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:46,647 INFO L225 Difference]: With dead ends: 363 [2024-11-09 12:08:46,647 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 12:08:46,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:46,648 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:46,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:08:46,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 12:08:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-09 12:08:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0936454849498327) internal successors, (327), 314 states have internal predecessors, (327), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 343 transitions. [2024-11-09 12:08:46,657 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 343 transitions. Word has length 148 [2024-11-09 12:08:46,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:46,658 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 343 transitions. [2024-11-09 12:08:46,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:08:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 343 transitions. [2024-11-09 12:08:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 12:08:46,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:46,659 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:46,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:08:46,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:46,860 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:46,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:46,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1858631868, now seen corresponding path program 1 times [2024-11-09 12:08:46,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:46,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755715351] [2024-11-09 12:08:46,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2557421] [2024-11-09 12:08:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:46,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:46,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:08:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:08:46,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:47,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755715351] [2024-11-09 12:08:47,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:47,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2557421] [2024-11-09 12:08:47,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2557421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:47,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:47,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:08:47,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683774034] [2024-11-09 12:08:47,124 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:47,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:08:47,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:47,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:08:47,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:47,125 INFO L87 Difference]: Start difference. First operand 325 states and 343 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:08:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:47,419 INFO L93 Difference]: Finished difference Result 381 states and 401 transitions. [2024-11-09 12:08:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:08:47,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 168 [2024-11-09 12:08:47,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:47,421 INFO L225 Difference]: With dead ends: 381 [2024-11-09 12:08:47,421 INFO L226 Difference]: Without dead ends: 378 [2024-11-09 12:08:47,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:47,421 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 117 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:47,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 129 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:08:47,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-09 12:08:47,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 325. [2024-11-09 12:08:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0836120401337792) internal successors, (324), 314 states have internal predecessors, (324), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 340 transitions. [2024-11-09 12:08:47,432 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 340 transitions. Word has length 168 [2024-11-09 12:08:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:47,433 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 340 transitions. [2024-11-09 12:08:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:08:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 340 transitions. [2024-11-09 12:08:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 12:08:47,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:47,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:47,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:08:47,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 12:08:47,638 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:47,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:47,638 INFO L85 PathProgramCache]: Analyzing trace with hash 561174342, now seen corresponding path program 1 times [2024-11-09 12:08:47,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:47,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556955390] [2024-11-09 12:08:47,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:47,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211520335] [2024-11-09 12:08:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:47,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:47,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:47,670 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:47,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:08:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:47,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:08:47,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:47,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:48,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556955390] [2024-11-09 12:08:48,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211520335] [2024-11-09 12:08:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211520335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:48,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:48,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 12:08:48,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706694258] [2024-11-09 12:08:48,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:48,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:08:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:48,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:08:48,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:48,143 INFO L87 Difference]: Start difference. First operand 325 states and 340 transitions. Second operand has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-09 12:08:48,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:48,632 INFO L93 Difference]: Finished difference Result 399 states and 420 transitions. [2024-11-09 12:08:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:08:48,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 170 [2024-11-09 12:08:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:48,636 INFO L225 Difference]: With dead ends: 399 [2024-11-09 12:08:48,636 INFO L226 Difference]: Without dead ends: 388 [2024-11-09 12:08:48,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:08:48,636 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 475 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:48,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 224 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:08:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-09 12:08:48,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 312. [2024-11-09 12:08:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 293 states have (on average 1.0443686006825939) internal successors, (306), 301 states have internal predecessors, (306), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 322 transitions. [2024-11-09 12:08:48,647 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 322 transitions. Word has length 170 [2024-11-09 12:08:48,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:48,648 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 322 transitions. [2024-11-09 12:08:48,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-09 12:08:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 322 transitions. [2024-11-09 12:08:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-09 12:08:48,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:48,649 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:48,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:08:48,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 12:08:48,850 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:48,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1877332152, now seen corresponding path program 1 times [2024-11-09 12:08:48,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:48,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708737385] [2024-11-09 12:08:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:48,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652675228] [2024-11-09 12:08:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:48,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:48,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:48,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:08:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:48,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 12:08:48,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:49,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:08:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708737385] [2024-11-09 12:08:49,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652675228] [2024-11-09 12:08:49,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652675228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:49,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:49,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 12:08:49,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288318629] [2024-11-09 12:08:49,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:49,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:08:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:08:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:08:49,554 INFO L87 Difference]: Start difference. First operand 312 states and 322 transitions. Second operand has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-09 12:08:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:50,450 INFO L93 Difference]: Finished difference Result 553 states and 585 transitions. [2024-11-09 12:08:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:08:50,451 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 172 [2024-11-09 12:08:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:50,453 INFO L225 Difference]: With dead ends: 553 [2024-11-09 12:08:50,454 INFO L226 Difference]: Without dead ends: 552 [2024-11-09 12:08:50,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:08:50,454 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 390 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:50,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 201 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:08:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-09 12:08:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 420. [2024-11-09 12:08:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 399 states have (on average 1.0601503759398496) internal successors, (423), 407 states have internal predecessors, (423), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:08:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 443 transitions. [2024-11-09 12:08:50,482 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 443 transitions. Word has length 172 [2024-11-09 12:08:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:50,483 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 443 transitions. [2024-11-09 12:08:50,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-09 12:08:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 443 transitions. [2024-11-09 12:08:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 12:08:50,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:50,485 INFO L215 NwaCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:50,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:08:50,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:50,686 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:50,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:50,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1363771061, now seen corresponding path program 2 times [2024-11-09 12:08:50,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:50,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685977034] [2024-11-09 12:08:50,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:50,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115533537] [2024-11-09 12:08:50,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:08:50,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:50,710 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:50,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:08:50,750 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:08:50,750 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:08:50,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:08:50,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-09 12:08:51,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:51,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685977034] [2024-11-09 12:08:51,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115533537] [2024-11-09 12:08:51,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115533537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:51,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:51,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:08:51,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343477668] [2024-11-09 12:08:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:51,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:08:51,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:51,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:08:51,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:51,258 INFO L87 Difference]: Start difference. First operand 420 states and 443 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:08:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:51,352 INFO L93 Difference]: Finished difference Result 420 states and 443 transitions. [2024-11-09 12:08:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 201 [2024-11-09 12:08:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:51,353 INFO L225 Difference]: With dead ends: 420 [2024-11-09 12:08:51,353 INFO L226 Difference]: Without dead ends: 382 [2024-11-09 12:08:51,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:51,354 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:51,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 65 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:08:51,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-09 12:08:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-09 12:08:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 363 states have (on average 1.0578512396694215) internal successors, (384), 370 states have internal predecessors, (384), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 402 transitions. [2024-11-09 12:08:51,368 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 402 transitions. Word has length 201 [2024-11-09 12:08:51,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:51,368 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 402 transitions. [2024-11-09 12:08:51,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:08:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 402 transitions. [2024-11-09 12:08:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-09 12:08:51,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:51,369 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:51,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:51,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:51,570 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-09 12:08:51,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1252393282, now seen corresponding path program 2 times [2024-11-09 12:08:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286764662] [2024-11-09 12:08:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:51,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687833126] [2024-11-09 12:08:51,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:08:51,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:51,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:51,608 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:08:51,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:08:51,675 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:08:51,676 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:08:51,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 12:08:51,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:08:52,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:08:53,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:53,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286764662] [2024-11-09 12:08:53,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:53,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687833126] [2024-11-09 12:08:53,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687833126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:53,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2024-11-09 12:08:53,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576404665] [2024-11-09 12:08:53,344 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:53,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:08:53,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:08:53,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:08:53,346 INFO L87 Difference]: Start difference. First operand 382 states and 402 transitions. Second operand has 20 states, 19 states have (on average 19.210526315789473) internal successors, (365), 20 states have internal predecessors, (365), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-09 12:08:57,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:03,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:09,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:13,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:19,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:22,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:23,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:26,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:28,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []